Wikipedia:GLAM/NHMandSM/SM Galleries/Mathematics

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• File:One artwork, 'Gold Weed (Brassica aurea) - Plant Fiction', medium, C-type photographic print (framed), 65.2 x 91.4cm, with separate artist written text framed panel, black ink on paper, 20.6cm x 30 cm,2010.
• File:One artwork, 'Self Eater (Agave autovora) - Plant Fiction', medium, C-type photographic print (framed), 130.6 x 123.8cm, with separate artist written text framed panel, black ink on paper, 20.6cm x 30 cm, 2010.
• File:One artwork, 'Pandemic Plant (Ampelocissus admonitio) - Plant Fiction', medium, C-type photographic print (framed), 81-1 x 104.9cm, with separate artist written text framed panel, black ink on paper, 20.6cm x 30 cm, 2010.
• File:One artwork, 'Weeping Thief (Ficus lacrima) - Plant Fiction', medium, C-type photographic print (framed), 77.6 x 98.6cm, with separate artist written text framed panel, black ink on paper, 20.6cm x 30 cm, 2010.
• File:One artwork, 'Hushrooms (Ganderma) - Plant Fiction', medium, C-type photographic print (framed), 80.8 x 107cm, with separate artist written text framed panel, black ink on paper, 20.6cm x 30 cm, 2010.
• File:Handle
• File:Sensing unit from Powers-Samas 45 column - card sorter with detachable card rack
• File:Part of the selection of components from the Harvard Mark 1 computer comprising of: 5 decimal counters and 1 terminal block.
• File:Random generator 1component from ERNIE I (Electronic Random Number Indicator Equipment)
• File:10 way storage system component from of ERNIE I (Electronic Random Number Indicator Equipment)
• File:(Lord Kelvin) William Thomson's first tide-predicting machine, 1876. Built by A. Légé & Co., 20 Cross Street, Hatton Gardens, London.
• File:Analytical engine constructed by the late Chas. Babbage, F.R.S., (this was not put together when received and there are still many pieces, moulds etc. received in 1878, on exhibition in the gallery)
• File:One of 194 drawings in the 'A' sequence of drawings re Babbage's machines, being 'Elevation of Difference Engine No. 2. Scale 1:4. Currently (3/2004) framed and glazed having been taken off computing gallery.
• File:One of 194 drawings in the 'A' sequence drawings re Babbage's Engines, being 'Sketch Elevation of the Driving and Directive of the Analytical Engine. 1841'
• File:One of the drawings from the 'U' sequence re Babbage's Engines, being 'Plan and side elevation of difference engine. 1830'
• File:Henry Babbage's analytical engine (incomplete), with various spare parts and patterns for casting
• File:Variable punch cards for Analytical Engine, nos. 1 - 118
• File:Operation punch cards for Analytical Engine, nos. 1 - 22
• File:Operation punch cards for Analytical Engine, nos. 22 - 29
• File:Main part of Scheutz difference engine, made by Bryan Donkin & Co. in 1859, in glazed show case
• File:One mould impression on lead and one on papier mache produced by the Scheutz difference engine. There are also 35 trial paper mache cards not on inventory.
• File:First form of Dr. Hollerith's card punching machine, pantagraph type with spare hole guide/template
• File:Plus Rapid adding machine, standard farthings model
• File:Long mercury delay line
• File:Short mercury delay line
• File:Experimental model used in design of magnetic-drum store
• File:Table telephone No. 2
• File:Storage unit
• File:Mercury delay line, 10 inches long cylinder and 2 inches diameter
• File:Main portion of short mercury delay tube from the electronic computer Edsac 1, made by Cambridge University. Mathematical Laboratory (maker)
• File:Trial model for part of Babbage's difference engine, on board
• File:Powers-Samas 45 column - card sorter with detachable card rack
• File:Powers-Samas 45 column - card automatic key punch
• File:One of two Powers-Samas 45 column, card hand punch
• File:Powers-Samas 45 column - card tabulator on a square base
• File:Nickel delay line one word length (32 digits), serial no.1693, from Elliott 405 computer.
• File:Receiver unit from the Eniac computer
• File:Mechanical analogue computer (blue) production model
• File:Selective sorting attachment in fitted wooden box by Powers Samas.
• File:Piece of fixed store mesh from Manchester University ATLAS
• File:Refurbished single Williams' tube storage unit from a Ferranti Mark 1 computer
• File:1:10 scale model of an I.C.L. 1906 computer
• File:Core plane from Whirlwind computer
• File:Components from Colossus project: valve in holder; resistor; capacitor
• File:Digital Equipment Corporation PDP - 8 minicomputer serial no.857, 1965
• File:Spare circuit boards and mounts for Digital Equipment Corporation PDP - 8 minicomputer serial no.857, 1965
• File:Processor Unit
• File:Manuals and Documentation
• File:Printer, in metal acoustic cover
• File:High Speed Tape Reader, Ferranti mk II, s/n 509
• File:Tape Reader, Ferranti type TR 2B, s/n 186
• File:Non-printing Tape Perforator, Creed model 7P/N4, s/n 3877
• File:Power Unit
• File:Qty.63 cb assy's (in metal rack)
• File:Qty.39 cb assy's (in wooden rack)
• File:Operator's Console Desk
• File:Qty.51 cb assy's (in wooden cupboard 1)
• File:Qty.68 cb assy's (in wooden cupboard 2)
• File:Operator's Chair
• File:Delay Line Circuit Board Assembly
• File:Compressor/Heat Exchanger
• File:2 circuit boards from a Ferranti Pegasus Computer
• File:ERNIE I (Electronic Random Number Indicating Equipment), 1957, for generation of Premium Bonds Numbers, manufactured by Post Office Research Station, Dollis Hill (Excludes console and cabinet work)
• File:Difference Engine No.2, designed by Charles Babbage, 1847-1849, excludes printing mechanism. Engine built by Science Museum, completed June 1991. Size 2.1m high, 3.4m long, 0.5m wide
• File:Ceramic Ernie money box
• File:Valve heater transformer, reputedly from Colossus computer, 1940-1950
• File:ERNIE's lucky mug depicting the Premium Bond random number generator, ERNIE 1, c.1957
• File:VIA microprocessor with hardware random number generation (RNG) capability, 2008
• File:Babbage's brain: right sagittal section with cerebellum.
• File:Babbage Occulting light. A clockwork mechanism devised by Babbage as a system of signalling for ships using a light source.
• File:Thank you card with teddies from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Thank you card with flowers from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Thank you card with inscription 'You're Someone Very Special' from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Card with inscription 'You've Got my Number, Call Me' from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Twenty-fifth birthday card with horse and poem inside, from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Card and Epsom salts, from National Savings and Investments sent to ERNIE, the premium bonds generator.
• File:Model of 1960s Route 15 London Bus advertising Premium Bonds, 2000.
• File:Lalanne's slide rule, glass, with printed paper scales.
• File:Brass Roget's log-log slide rule.
• File:An exchequer tally, date 1822 (2pts)
• File:Small Chinese abacus
• File:Original Routledge's Engineer's Slide-Rule and manuscript book of instructions for using it
• File:Thomas de Colmar arithmometer, no. 696, in box with lid, 18" x 3 1/2"
• File:Hyperboloid of one sheet, with its asymptotic cone; the tangent plane to the cone is also drawn
• File:Conoid in contact with a hyperbolic paraboloid
• File:Conoids; same arrangement as inv. no. 1872-113 except that the lower ring is replaced by a plane of section a little higher up
• File:Calculating machine invented by Sir Samuel Morland, adapted to trigonometrical computation. Made by Henry Sutton and Samuel Kribb, London, 1664.
• File:Calculating machine invented by Charles Stanhope in 1777, made by James Bullock.
• File:Hyperbolic paraboloid; a skew quadrilateral with its opposite sides equal in length and pierced with holes at equal distances
• File:'whole and Halves' proportional compass by William Ford Stanley, Great Turnstile, London, England, 1876.
• File:Opisometer, simple map measurer by W. F. Stanley, London, 1876.
• File:Protractor scale, on ivory, 6"x1 5/8"
• File:Proportional compass:- Old English pattern
• File:Proportional compass:- Turn down points
• File:Beam compasses, Ordnance pattern, mahogany beam, 20" long, with boxwood inlaid scale, (2 plain points) by W. F. Stanley, Great Turnstile, London, England, 1876.
• File:Ivory sector (6-inch) by W.F Stanley & Company, London, c. 1876.
• File:Boxwood sector (6-inch) by W.F Stanley & Company, London, c. 1876.
• File:Gunter's scale, boxwood, 2' x 2"
• File:Silvered brass circular slide rule, 7 inch in diameter with double scales by Landsberg & Wolpers, Hanover to the designs of Prof. Sonne
• File:Model of the open torus of M.Ossian Bonnet. In plaster.
• File:Plaster model to illustrate the torsion of a prism having ridges
• File:Plaster model, after Fresnel, to illustrate the surface of luminous waves - in 3 parts
• File:Geometrical model of Steiner's surface in clay (bottom edges chipped)
• File:Boxwood model of a quartic surface, labelled as model 2
• File:Boxwood model of a quartic surface, labelled as model B
• File:Boxwood model of a quartic surface, labelled as model C
• File:Boxwood model of a quartic surface, labelled as model D
• File:Boxwood model of a quartic surface, labelled as model E
• File:Boxwood model of a quartic surface, labelled as model F
• File:Boxwood model of a quartic surface, labelled as model 3
• File:Boxwood model of a quartic surface, labelled as model 4
• File:Boxwood model of a quartic surface, labelled as model 9
• File:Boxwood model of a quartic surface, labelled as model 13
• File:Boxwood model of a quartic surface, labelled as model 32
• File:Boxwood model of a quartic surface, labelled as model 34
• File:Boxwood model of quartic surface, labelled as model 40
• File:Boxwood model of a quartic surface, labelled as model A
• File:Bullock's circular protractor, 6 inch, divided on silver to 1/2 degree, reading by vernier to 1', with tubular radial arms; engraved "Thomas Jones, 62 Charing Cross, London" and "R.109".
• File:Circular protractor by Edward Troughton, London, 9 inch with folding arms, divided on silver to 1/3 degree reading by vernier to 1-inch, engraved "Troughton, London" & "F^O 40"
• File:Morland's calculating machine
• File:Compound geometric chuck by Henry Pergal, with handle
• File:Polar planimeter, Amsler's
• File:Triangular compasses, two 5 inch legs, the third variable
• File:Triangular beam compasses
• File:Eidograph by W.F. Stanley, London
• File:Conchoidograph by W.F. Stanley, London, 1876.
• File:Helicograph by W.F. Stanley, London, 1876.
• File:Geometrical pen with 12 changeable gear wheels by W.F. Stanley, London, 1876.
• File:Finney's ellipsograph by W.F. Stanley, London, 1876.
• File:One of two brass 6-inch semi-circular protractor , divided in half degrees, by W.F. Stanley, London, 1876.
• File:Semi-elliptic trammel by W.F. Stanley, London, 1876.
• File:Elliptic trammel by W.F. Stanley, London, 1876.
• File:Catalan collection of semi-regular polyhedra: truncated octahedron (originally decatebrahedron, in plaster
• File:Catalan collection of semi-regular polyhedra: (originally icohexahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: cuboctahedron (originally rhomboidal dodecahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: snub cube (originally triacontaoctahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: truncated cuboctahedron (originally icohexahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: icotetrahedron, in plaster
• File:Catalan collection of semi-regular polyhedra: dual of a truncated octahedron (originally icotetrahedron), in plaster
• File:Catalan collection of semi-regular polyhedra:dual of a cuboctahedron(originally rhomboidal dodecahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: dual of a snub cube (originally icotetrahedron), in plaster
• File:Catalan collection of semi-regular polyhedra: hexecontahedron, in plaster
• File:Napier's bones or rods, wood, in case
• File:Napier's bones, brass, eleven pieces, in gold stamped leather case, with a short manuscript description in the case
• File:Dixon's combined circular and spiral slide rule, in wooden frame, 19" x 16", with a treatise on its use.
• File:Callipers, used for artillery purposes, French, 17th century
• File:Mechanism for Thomas de Colmar type calculating machine by A. Burkhardt, Glashütte, Saxony, Germany
• File:Automatic calculator: Chambon's "Multiplicateur Enfantin" length 6 3/8 inch
• File:Automatic calculator; Chambon's "Tachypoly plasiasme" length 9 5/8 inches
• File:C.V. Boys' curve drawing integrator, designed c. 1881.
• File:Protractor, silver 2 1/16 inches diameter, French, by Clerget, mid 18th century
• File:Elliptograph devised in 1840 by John Hick of Bolton.
• File:Engine counter, 6 figures, by Schaeffer & Budenberg, Baukau, Madgeburg, Germany, for reciprocations or revolutions
• File:Reproductions, ten of eleven, mathematical instruments found at Pompeii
• File:Reproductions of a proportional compass, one of eleven,mathematical instruments found at Pompeii
• File:Brunsviga calculating machine made by Grimme, Natalis and Co., Braunschweig, Germany, c.1892., No.262.
• File:Henrici's harmonic analyser, No.3 (with three glass spheres).
• File:Galton's pantograph for reducing the tracings of self-recording meteorological instruments by drilling on zinc plates
• File:Slide rule, made by Robert Bissaker, 1654 (Imperfect)
• File:Morland's book:- "The description and use of two arithmetick instruments", 1673
• File:Set of Napier's rods in boxwood case
• File:Harding's counter
• File:"Automatic calculator", a circular logarithmic slide rule, scale about 10" long, made of thin card
• File:"Gem" calculating machine, J. Guthrie's patent No.15062, 1890
• File:Small trial piece for calculating machine invented by Charles Stanhope in 1777, see Inv. 1872-137, probably made James Bullock.
• File:Payne-Coradi parabolograph (No.7) made by G.Coradi, Zurich, Switzerland, in case
• File:Palmer's Computing Scale, improved by Fuller, (a circular logarithmic slide rule, with numerous gauge points); on reverse side "Fuller's Time Telegraph"
• File:Troncet's arithmograph
• File:Early pantograph
• File:"Bri-cal" adding machine by, The British Calculators, Ltd, in case; adds from 1/2d to
• File:Ebony pantograph 24 inches by Benjamin Martin, with brass pillars and castors, divided on ivory.
• File:Brass Farey's ellipsograph dated 1817.
• File:Harmonograph, by Newton & Co., two pendulums on 3 legged wooden stand, extension with a sliding ball for upper end of one pendulum, two heavy sliding weights with screw clamps and extra smaller weights, glass writing pen
• File:Stereoscope, on stand
• File:Plaster model of the surface z = 3a(x2 - y2) - (x3 + y3)
• File:Plaster model of the surface 2z = a2(x2 + 3y2) - (x4 + 6x2y2 + y4)
• File:Model of a half twist surface
• File:Standard Gunter's scale made by Andrew Yeates; brass, 24 inches.
• File:Johnson's "Volutor"; made by T. Hoffmann
• File:One Abdank Abakanowicz integraph no.41; large size with extra bar (42a), No.173, by G.Coradi, Zurich, Switzerland.
• File:Circular slide rule, by Alfred Apps, London.
• File:Sector by Troughton, brass, engraved "Troughton, London" 12" x 3 1/4" when closed, "H.O.2."
• File:Protractor, semi-circular, by Jones, 6" circle, divided on brass, numbered both ways from 0 degrees to 180 degrees, subdivided to 1/2 degrees, reading by vernier to 1 minute; arm projects about 3-inch beyond circle.
• File:Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2", arm projects 6" beyond circle, engraved "Watkins and Hill, Charing Cross, London", "H.O.R.".
• File:Comptometer, early form (wooden box), 72 keys numbered, plate on top of box engraved " Trade Comptometer mark, Patd. July 19th 1887, Oct 11th 1887, Jan 8th 1889, June 11th 1889, Nov 25th 1890, Dec 15th 1891, Felt & Tarrant Manufacturing Co., Chicago"
• File:Reduction plate by Jones, engraved "Thomas Jones 62 Charing Cross, London", outside dimensions of brass frame are 8 3/8" x 6 3/16" and nearly 1/4" thick, glass has cross lines on under surface 7" x 5", each inch divided into 12 parts.
• File:Wooden triple helix specimen made on turning lathe
• File:Wooden double helix specimen made on turning lathe
• File:Planimeter (rolling type) by G. Coradi, Zurich.
• File:First edition of John Napier's "Rabdologiae" (1617)
• File:Pair of dividers, 9.65" long (early example)
• File:Pair of compasses 9.85" long (early example)
• File:Burroughs hand operated adding and listing machine, serial no. 5029, by Burroughs Adding Machine Company, Detroit, dated 1913.
• File:Comptometer, withou lid, 8-column model E for decimal currency, controlled-key duplex machine, no. 59111, by Felt & Tarrant.
• File:Thacher's cylindrical slide rule, made by Keuffel and Esser, model no. 4012, serial no. 3412, plates engraved by W.F. Stanley.
• File:Pair of early callipers, by Gilbert
• File:Curvimeter for English measure, by Coradi, no. 17, (no.44 of Coradi's catalogue).
• File:Hele-Shaw's integrator, engraved "G. Coradi, Zurich, no.16"
• File:Pocket case of mathematical drawing instruments by R.Bakewell.
• File:Brass rectangular protractor, by Dollond, size 5 1/4" x 2", engraved "Dollond, London"
• File:Gunter's scale, early example, boxwood, 2' long
• File:Slide rule, boxwood, 2 foot; one slide, engraved:- "Bate, London"
• File:Brass sector, by Adams; 9 inch, engraved "Improv'd and made by Geo. Adams, Mathm. Inst. Maker to His Royal Highness, George Prince of Wales, London".
• File:Gauger's slide rule, made by Cock, 9 5/16" x 2" x 1/4", boxwood, slides 10" long, with 5-foot gauging rod in 6 parts, all in cloth case (imperfect)
• File:Roth's calculating machine, invented and patented by D.J. Wertheimber in 1843, English currency version,
• File:Hatchet planimeter
• File:Geometrical pen
• File:Carpenter's 2-foot rule with logarithmic slide, boxwood 4-fold, with 6" brass slide, made by James Rabone & Sons, Birmingham.
• File:Plotting scale, 12"; brass; 17th century, diagonal scale and scales of equal parts and chords
• File:Semi-circular brass protractor by Heath and Wing, 3 3/4" diameter, mid 18th century.
• File:Semi-circular brass protractor by Lasnier, Paris, 10cm diameter, mid 18th century.
• File:Twelve inch slide rule with two slides: wood: made by Is. Carver, 1689
• File:Proportional compasses, 6 3/8-inch; brass engraved "T. Heath Fecit"
• File:Sector, 6"; ivory and brass; engraved "Carver Fecit"
• File:Sector, 6"; brass; engraved "Culpeper Fecit", London, England, early 18th century
• File:Sector, 6 1/2"; brass; engraved "Canivet a paris"
• File:Magazine case of drawing instruments by E. Nairne, London, in fish- skin case, no key
• File:Four inch pocket case of drawing instruments by T. Heath, in black fish-skin case, protractor missing
• File:Six inch circular protractor by John Troughton, c.1785
• File:Set of mathematical drawing instruments by G.Adams, in Sheraton case, oak and mahogany; no key, size of case 12 3/4" x 8 3/4" x 3 1/2"
• File:Mapmeter, with ivory handle, made by Frodsham
• File:Set of drawing instruments, in silver, by Ramsden, London; in case with key (a few unimportant items missing)
• File:Semicircular single-arm protractor by J.M. Kleman and Son, Amsterdam, early 18th century. Diameter 6 11/ 16" divided to 1/2 degrees, reads by vernier to 1 minute of arc.
• File:Circular protractor, brass by Jeremiah Sisson, divided to 1/2 degrees, diameter 6 3/16", c.1770
• File:Gunners callipers, 6 inch by H.Gregory, brass 18th century
• File:Circular protractor 7 7/8 inch, brass by Heath & Wing, London, mid 18th century, divided in degrees, and reading by vernier to 5 minutes
• File:Coradi compensation planimeter no 28348, with adjustable pole-arm and testing rule.
• File:Compound four-part geometric chuck, by Holtzapffel and Co. in two mahogany cases
• File:Small circular slide rule, watch form, in metal case, known as "Halden Calculex", with printed pamphlet of instruction
• File:Boxwood sector, two foot; early example
• File:Two-ft boxwood slide rule, for navigators, late 18th century
• File:Slide rule, wood; by "W. & S. Jones, no.30 Holborn, London", size 10 1/2" x 7/8" x 3/16", one slide 10 3/8" long
• File:Fuller's spiral slide rule in mahogany case, no. 4926/21, with brass adaptor for forming stand; with descriptive booklet "Prof. Fuller's Calculating Slide Rules" made by W. F. Stanley & Co. Ltd., Great Turnstile, London
• File:Slide rule, Hayward's Sliding Scale of Equivalents for Weights; size 12" x 1 13/16" x 5/ 16"; one slide, paper scales on wood
• File:Slide rule, Bate's Interest Scale, published 1st June, 1824 by R.B. Bate, London, 1824; paper scales on wood, two slides, one on each face; size 18 7/8" x 2 7/8" x 3/8"
• File:Original circular dividing engine made by Edward Troughton in 1793
• File:McFarlane's calculating cylinder
• File:Wetli planimeter, date about 1860; engraved "Patent Von Wetli & Starke No. 103".
• File:Otis King's patent calculator (a spiral logarithmic slide rule).
• File:"Addiator" calculating apparatus, with stylus and pencil (in one piece); capacity 9 figures; decimal: mounted on metal stand
• File:"Aristocrat" slide rule, with magnifying cursor, by John Davis & Son (Derby) Limited, length 5 7/8-inch.
• File:Replica made by E. Rognon, Paris of Blaise Pascal's first calculating machine, held by the Conservatoire National de Art et Metiers, Paris.
• File:12 inch architectonic sector in ivory and silver, made by G. Adams (2 small clamps screws missing)
• File:Troncet's "Totalisateur", complete with pencil-stylus; (size of instrument 4 3/4" x 6 7/8" x 3/16") in cardboard case.
• File:Sang's Platometer, planimeter, 1851,
• File:Stchety (Russian form of Abacus)
• File:Wood and ivory specimen with eight-fold helices, made with turning lathe
• File:Ivory single helix specimen made with turning lathe
• File:Ivory and wood single helix specimen made with turning lathe
• File:Solid ivory specimen with triple helices made with turning lathe
• File:Solid ivory specimen with quadruple helices made with turning lathe
• File:Hollow ivory specimen with quadruple helices made with turning lathe
• File:Nautical square, in brass; 16th century, Italian, a single-arm protractor; square is 4 5/ 8" side, arm is 11 1/8" radius; bearing four scales of equal parts; sides of square divided into degrees, figured 0 to 45 eight times
• File:Semi-circular protractor 12-inch, by T. Heath, 1720-1753.
• File:Counting machine
• File:Monroe calculating machine, ("full automatic" model). No. KAA163-130450, motor No. P.40588, type D.47215 AVE speed 1750, 200 volts D.C., O.3 amps; 1/30 H.P. with separate handle and American cloth cover
• File:Robertson's rapid calculator, pat no.5871,1910, a form of "ready reckoner" made by the Robertson Rapid Calculating Machine Co. Ltd. 140 Bath Street, Glasgow, (glass cracked in one cursor, and nearly all internal paper tables of figures torn)
• File:Bouchet adding machine, (top of figure 6 missing), engraved "Bouchet's patent, issued Jan 3 1882 re-issued 9 Mar, 1885 no.452"
• File:Hannyngton's slide rule, with 2 sliders, made by Aston & Mander, size 2' 8" x 7 1/2" x 3/4"
• File:Ten-inch brass circular protractor by Ramsden, 10 1/4" x 10 1/4" x 1", divided to 1/2 degrees, reading by vernier to one minute, engraved "Ramsden, London", and "R.S.61 ", paper label on lid, "Royal Society 61", late 18th century.
• File:Patent trigonometer by Bowles.
• File:Slide rule by William Cary, 1815, for calculations in exchange of monies weights and measures
• File:Ivory slide rule with two slides, by Dring and Fage, size 12 7/8" x 2"
• File:"Adder", adding machine patented 1889
• File:Harmonic analyser, made by E.A.Nehan: designed by J.Harvey (less box and plumbline)
• File:Set of Napier's bones, in wooden case with trade label of "J. Imison, Clock & Watch Maker, Optician, &c., No. 58 Hay-market, London"
• File:"Adix" adding machine, (1903)
• File:"Tachylemme" of C.L.Chambon
• File:Model of a cubic surface whose tangent plane is horizontal at a point where three straight lines intersect
• File:Model of a cubic surface whose tangent plane is horizontal at a cusp
• File:Model of a cubic surface whose tangent plane is horizontal at a node and also at a true maximum
• File:Pair of proportional compasses, brass c. 1680
• File:Working model of a Leibniz stepped reckoner
• File:Early set of drawing instruments by William Cary, in pocket fish-skin case (10 pieces in case), 1795-1825
• File:Surveyor's sector, Italian, c. 1600, engraved "Adam Heroldt fecit Romae"
• File:Semi-circular protractor, engraved "Culpeper Fecit", late 17th century
• File:Rectangular diagonal scale, engraved "Canivet a la Sphere a Paris"
• File:Pair of silver compasses, 18th century,
• File:Mannheim box-wood slide rule (26 cms) with cursor, made by Tavernier-Gravet (Paris)
• File:Nine inch brass sector (Gunter's pattern), early 17th century
• File:Sector, brass, 6 1/2 inch, engraved "N.Bion A Paris"
• File:Gunner's calipers, by T.Wright
• File:Slide rule made by Isaac Carver, dated 1700
• File:Excise officer's slide rule, ivory, 9" long, with 3 slides
• File:Chukkrum board with 112 small native coins
• File:Kelvin harmonic analyser by R.W. Munro, London, in glass case.
• File:Ivory diagonal scale with built-in protractor from set of drawing instruments by Holtzapffel & Co., London.
• File:Harmonograph invented by Frederick Corder, with accessories
• File:Brunsviga model 18 RK calculating machine, by Brunsviga Maschinenwerke AG, Braunschweig, Germany. (Originally supplied through Block & Anderson Limited, London).
• File:Stripped model of a "Curta" pocket calculating machine without metal case.
• File:Arithmetical Jewel : a seventeenth century calculating device of ivory and brass in tooled leather binding, 5" x 3", with brass stylus 5 inches long, bound with 33 sheets of contemporary MS instructions and 7 blank sheets
• File:Set of architect's drawing instruments by various makers contained in 4 trays in fitted wooden box 19 1/2 x 13 1/2 inches
• File:C. Hoare's pocket plate and bar slide rule, for iron & steel calculations, boxwood, with one slider, made by Aston & Mander
• File:Five exchequer tallies (stocks only)
• File:Brass semi-circular protractor, 2" radius, with rectangular base carrying diagonal scale, engraved "H. Sutton fecit 1655"
• File:Harvey Harmonic Analyser, original prototype model, made by E.A. Nehan
• File:Calculating scale, boxwood weighted with brass, 9" x 1 1/2" x 3/4" for gross and tare weights of ship's cargoes, engraved "Robert Ludgate, Custom House, London, 1807"
• File:Miniature Abacus in wood, Chinese, 1 1/4" x 1 7/8", c. 1850
• File:Coulson's slide rule, "Dring and Fage, Makers, London", "S. Coulson, Engineer, Redcar" 9 1/2" x 1 7/8" in boxwood case covered with numerous data, c. 1840
• File:Boxwood Coggeshall rule, folding with slide, (12-inch x 1 1/2-inch) c. 1720-1730
• File:Timetable or rent rule for calculating the number of days for storage charges, as used by the dock companies, by Dring and Fage, Tooley Street, London, 16 1/2" x 2 1/4", c. 1850-1860
• File:Four foot gauging rule, folding, for calculating the content of beer and wine casks, " Dring and Fage, Makers, no. 20 Tooley Street, London Bridge",
• File:Gilt bronze "arithmetical medal" sold by J.Maddux at the "Hand and Pen", Brook Street, Holbourn, c. 1753
• File:Circular slide rule, boxwood, 6-inch diameter 3/8-inch thick, with two brass radial arms and an astronomical quadrant engraved on the back, ascribed to John Brown
• File:Olivetti Divisumma electric printing calculator no.811319 with plexiglass casing
• File:ANITA Sumlock Comptometer, 1956, prototype model of the electronic desk calculating machine
• File:Coradi compensating planimeter, type: CORA-Senior, serial number 1358.
• File:Pantograph, brass, longer bars twenty nine inches long, made by Wilkinson of Ormskirk
• File:Excise Officer's slide rule, 1" x 5/8" x 12", with two sliders on opposite faces, engraved "T.C." on stock under one of the sliders
• File:Bri-Cal (model B) adding machine by, The British Calculators, Ltd , a in case, with two bone styluses, one red and one white; circular machine, 5 1/4 inches diameter, for adding from 1/2d, to
• File:Bate's ready reckoner, a slide rule, paper on wood, 12 1/2" x 2 3/4" x 1/4", dated 1824
• File:Aristo-Studio slide-rule, 10-inch by Dennert and Pape, Hamburg, Germany,1964.
• File:Spiral slide-rule, brass, 13 3/8" diameter, engraved: "Henr Sutton fecit, 1663"
• File:Mercedes Euklid electrically driven calculating machine, model 38, serial no. 28670.
• File:Tetrahedron a regular Platonic Solid, one of five, uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Tetrahemihexahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Octahemioctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Cubicuboctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Ditrigonal Icosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Icosicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Dodecicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Dodecadodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Rhombidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Truncated Great Dodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Rhombidodecadodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Cube or Hexahedron a regular Platonic Solid, one of five, uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Cubicuboctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Cubohemioctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Cuboctatruncated Cuboctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Ditrigonal Dodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Ditrigonal Dodecicosidodecahedron semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Ditrigonal Dodecicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Icosidodecadodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Icosidodecatruncated Icosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasirhombicuboctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Rhombihexahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Octahedron a regular Platonic Solid, one of five, uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Ditrigonal Icosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Icosicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Icosihemidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Dodecicosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Dodecahemidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasitruncated Hexahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasitruncated Cuboctahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Icosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Truncated Great Icosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Rhombicosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Dodecahedron a regular Platonic Solid, one of five, uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasitruncated Small Stellated Dodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasitruncated Dodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dodecicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Dodecahemicosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dodecicosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dodecahemicosahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Rhombihexahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasitruncated Great Stellated Dodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Quasirhombicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Icosihemidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Icosahedron a regular Platonic Solid, one of five, uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dodecahemidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Quasitruncated Icosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Rhombidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Snub Icosicosidodecahedron a semi-regular solid, one of 43 uniform non-convex polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Snub Dodecadodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Snub Icosidodecadodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Snub Icosidodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Inverted Snub Dodecadodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Snub Dodecicosidodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Inverted Snub Icosidodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Stellated Dodecahedron a Kepler solid, one of 4 uniform polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Inverted retrosnub Icosidodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Small Inverted Retrosnub Icosicosidodecahedron a semi-regular solid made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dirhombicosidodecahedron a semi-regular solid, one of 10 uniform non-convex snub polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Dodecahedron a Poinsot solid, one of 4 uniform polyhedron models, made of coloured card by Mr R. Buckley, c.1965
• File:Great Stellated Dodecahedron a Kepler solid, one of 4 uniform polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Great Icosahedron a Poinsot solid, one of 4 uniform polyhedron models, made of coloured card by Mr R. Buckley, c.1965.
• File:Box of drawing instruments made by Kern & Cie, Aarau, Switzerland (said to have been given by Sir Hiram Maxim to Dr. A.P. Thurston.)
• File:Set of Napier's bones 18th century, in wooden box
• File:Adding machine with stylus, made by J.Sauter, Esslingen
• File:Single glass Klein bottle model.
• File:Klein Surface, one of three single surface models made of coloured wire mesh.
• File:Heptahedron, one of three single surface models made of coloured wire mesh.
• File:Steiner's surface, one of three single surface models made of coloured wire mesh.
• File:Solid body, one of five showing progression (in clay) of Genus 0, in five stages in the deformation of a sphere to an eggcup shape
• File:Progression of five solid bodies (in clay) of Genus 0, showing the stages in the deformation of a sphere to an eggcup shape
• File:Progression of five solid bodies (in clay) of Genus 0, showing the stages in the deformation of a sphere to an eggcup shape
• File:Progression of five solid bodies (in clay) of Genus 0, showing the stages in the deformation of a sphere to an eggcup shape
• File:Progression of five solid bodies (in clay) of Genus 0, showing the stages in the deformation of a sphere to an eggcup shape
• File:Shape deformed from an annulus one of four solid bodies (in clay) of genus 1, showing the progressive stages in the deformation of an annular ring to a teacup shape
• File:Shape deformed from a teacup one of four solid bodies (in clay) of genus 1, showing the progressive stages in the deformation of an annular ring to a teacup shape
• File:Teacup one of four solid bodies (in clay) of genus 1, showing the progressive stages in the deformation of an annular ring to a teacup shape
• File:Progression of four solid bodies (in clay) of genus 1, showing the stages in the deformation of an annular ring to a teacup shape
• File:Solid cylinder, one of four solid bodies (in clay) of genus 2, showing the progressive stages in the deformation of a solid cylinder to a teacup shape
• File:Shape deformed from a solid cylinder, one of four solid bodies (in clay) of genus 1, showing the progressive stages in the deformation of a solid cylinder to a teapot shape
• File:Shape deformed from a teapot, one of four solid bodies (in clay) of genus 2, showing the progressive stages in the deformation of a solid cylinder to a teapot shape
• File:Solid teapot, one of four solid bodies (in clay) of genus 2, showing the progressive stages in the deformation of a solid cylinder to a teapot shape
• File:One of nine single surface Möbius strip models showing a cylinder, 1967.
• File:One of nine single surface Möbius strip models showing a Mobius Band, one edge, one loop, 1967.
• File:One of nine single surface Möbius strip models showing a, one sided surface, one edge, two loops, one twist, 1967.
• File:One of nine single surface Möbius strip models showing a Multiple Mobius Band, one edge, three loops, three twists, 1967.
• File:One of nine single surface Möbius strip models showing a Multiple Möbius band (Bill's surface) one edge, three loops, three twists, 1967.
• File:One of nine single surface Möbius strip models showing a one-sided surface, two edges, two loops, one twist, 1967.
• File:One of nine single surface Möbius strip models showing a one-sided surface, two edges, two loops, two twists, 1967.
• File:One of nine single surface Möbius strip models showing a one-sided surface, two edges, three loops, two twists,1967.
• File:One of nine single surface Möbius strip models showing a one-sided surface, three edges, three loops, one twist, 1967.
• File:One of three single surface models in yellow wire showing a Cross Cap, 1967.
• File:One of three single surface models in yellow wire showing a Boy's surface, 1967.
• File:One of three single surface models in yellow wire showing Hilbert's model, 1967.
• File:"Adix" adding machine (1905)
• File:Mercedes-Euklid hand-driven calculating machine, model 15, serial no.14074, circa 1905.
• File:Model of Dodecahedron, 1 of 22 models illustrating the construction and properties of polyhedra
• File:Model of Great Dodecahedron, 1 of 22 models illustrating the construction and properties of polyhedra
• File:McFarlane calculating cylinder
• File:Folding-arm brass protractor by Troughton & Simms, London, mid 19th century.
• File:Leadbetter slide rule
• File:Oriental abacus 7" x 3 1/2"
• File:Removable panel with label from Oriental abacus (7" x 3 1/2").
• File:Six inch Brass sector signed T Heath Fecit, decorated on hinge and legs with floral patterns
• File:Hand operated Muldivo Millionaire calculating machine.
• File:Addo, electrically driven, adding, subtracting, and printing machine
• File:Six inch silver sector signed "Ramsden, London" with attached set square
• File:Duoelectric S/508144 (electric comptometer)
• File:Replica of a counting cloth
• File:Nine pounder iron cannon ball
• File:Wine diagonal by Stutchbury
• File:Herrmann's circular slide rule No.159 by Wiesenthal & Cie
• File:Clement's Ellipsograph in decorated box
• File:Carpenter's sliding joint-rule by I Trafford, Oxford, England, dated 1772. Marked with possible owner, George Barnet, Grindon.
• File:Truncated tetrahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated (rhomitruncated) cuboctahedron , a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated (rhomitruncated) icosidodecahedron ,a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Snub Cube, a semi-regular Archimedean solid made, one of thirteen uniform convex polyhedron models, of coloured card by Mr R. Buckley, c.1973.
• File:Snub dodecahedron ,a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Heptagonal prism a semi-regular solid, one of four prism models, made of coloured card by Mr R. Buckley, c.1973.
• File:Heptagonal antiprism (1/8) a semi-regular solid, one of four prism models, made of coloured card by Mr R. Buckley, c.1973.
• File:Heptagonal star prism a semi-regular solid, one of four prism models, made of coloured card by Mr R. Buckley, c.1973.
• File:Heptagonal star antiprism (3/7) a semi-regular solid, one of four prism models, made of coloured card by Mr R. Buckley, c.1973.
• File:Tetrahedron, one of five regular Platonic solids made of coloured card by Mr R. Buckley, c.1973.
• File:Cube, one of five regular Platonic solids made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated octahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models made of coloured card by Mr R. Buckley, c.1973.
• File:Octahedron, one of five regular Platonic solids made of coloured card by Mr R. Buckley, c.1973.
• File:Dodecahedron, one of five regular Platonic solids made of coloured card by Mr R. Buckley, c.1973.
• File:Icosahedron, one of five regular Platonic solids made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated cube (hexahedron), a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated icosahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models made of coloured card by Mr R. Buckley, c.1973.
• File:Truncated dodecahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Cuboctahedron, a quasi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Icosidodecahedron, a quasi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:(small) Rhomicuboctahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:(small) Rhombicosidodecahedron, a semi-regular Archimedean solid, one of thirteen uniform convex polyhedron models, made of coloured card by Mr R. Buckley, c.1973.
• File:Gunners callipers by Nicolas Bion, Paris, France, 1705-1715
• File:Sector, proportion drawing instrument, by Jacobus Lusuerg, France, 1680-1685
• File:Small set of drawing instruments, unsigned, French
• File:Cylindrical case of drawing instruments by Le Maire, French
• File:TIM (time is money) trade marked arithmometer c. 1910-1920, made by Spitz, Ludwig and Co G.m.b.H., Berlin, Germany.
• File:One replica Quipu
• File:Mannheim slide rule, 20 1/2", by Keuffel and Esser Company.
• File:Amsler integrator in box, with brush, two screw drivers and rail
• File:Klugh's Ellipsograph by E.A. Neham
• File:Geometrical pen by W.F. Stanley, Great Turnstile, London.
• File:Kingson Pocket Calculator with stylus (see note field).
• File:One of two replica Roman hand abaci.
• File:Sinclair Executive Electronic Pocket Calculator
• File:Sinclair Executive Electronic Pocket Calculator (cutaway for exhibition)
• File:Facit model NLx manual calculating machine (green) (104945)
• File:Marchant electric "figurematic" calculating machine (643325)
• File:Olivetti Summaprima 20, printing calculator (101467)
• File:One handed steel dividers, probably early 17th century
• File:Planimeter of Oppikofer and Ernst cone-and-disc type, as improved by Morin, made by Clair, Paris c. 1850
• File:Part of Manchester University Differential Analyser, consisting of 16 feet central frame, 4 integrators, 2 input tables, output table, camera
• File:Gunner's quadrant and perpendicular by George Adams
• File:AA 010 Comprehensive slide rule by British Thornton 1974.
• File:Selection of three modern drawing instruments fromeset by Kern in grey zip-up case. Consisting of a double hinged arm compass, a compass and a pair of dividers
• File:Circles in squares, one of three three small panels to show close packing of circles and spheres
• File:Circles in hexagons, one of three three small panels to show close packing of circles and spheres.
• File:Spheres in HCP, one of three three small panels to show close packing of circles and spheres
• File:HCP layer with lattice points marked, one of three models to explain the concept of a lattice etc.
• File:HCP layer with unit cell picked out in white, one of three models to explain the concept of a lattice etc.
• File:HCP layer with part of another layer added, one of three models to explain the concept of a lattice etc.
• File:3D HCP table-tennis balls unit cell picked out in white, one of two models to show 3D hexagonal close packing
• File:Unit cell of HCP, one of three models to show 3D hexagonal close packing.
• File:FCC table-tennis balls, unit cell picked out in white, one of three models to show face-centred cubic packing.
• File:Unit cell of FCC, one of three models to show face-centred cubic packing
• File:Idealised stack of fruit (FCC), one of three models to show face-centred cubic packing
• File:Perspex cubes (13), one of two models to show primitive cubic packing.
• File:Primitive cubic packing of spheres, one of two models to show primitive cubic packing
• File:Model of part of honeycomb, and one separate cell, one of four models to explain the honeycomb
• File:Perspex rhombic dodecahedra (15) with stand, one of four models to explain the honeycomb.
• File:Packing model for honeycomb (HCP spheres), one of four models to explain the honeycomb.
• File:Unit cell of 3D HCP, for comparison with honeycomb, one of four models to explain the honeycomb.
• File:Panel showing proof that there are 5 Platonic solids
• File:Panel showing examples of tessellations of convex polygons
• File:Set of drawing instruments in a shagreen case
• File:Singer electronic calculator, model 1118, c. 1971.
• File:Half of a Sectioned Nautilus Shell - Intact
• File:Cranium of Ovis Ammon SUBSP "Himalayan Urial"
• File:Skull of Pseudois Nayaur
• File:Perspex model to explain 3-dimensional Cartesian Coordinates
• File:Set of Haff drawing instruments, in metal case, 1975
• File:Panel of 5 cones, with cutting planes to show conic sections
• File:Wire model showing orbit of Earth and two comets
• File:Rockwell 940 programmable calculator
• File:One of four ready reckoners, for assisting the conversion from L.s.d. to decimal currency, sponsored by the Daily Telegraph newspaper. A circular plastic dial with moveable cursor.
• File:Model suspension bridge to demonstrate parabolic shape of main cables
• File:HP 65 hand held programmable calculator, one complete unit, and one cut away to show internal structure, made by Hewlett-Packard (electronic pocket). see note field
• File:Panel showing roulettes drawn by Spirograph, together with Spirograph components
• File:Panel of Spirograph patterns
• File:Large case of mathematical instruments by D. Lusuerg, Rome, Italy, 1701.
• File:Brass sector (Gunter's pattern) by Elias Allen 1623
• File:Selection of nine of ten mineral specimens:- Quartz slightly milky, Quartz with reddish coating, Quartz coated with chlorite, Barytes, Quartz & hematite, Beryl from Norway, Sulphur from Sicily & two examples of Galena.
• File:Soroban, Japanese abacus with coloured plastic beads.
• File:Perspex and solid polystyrene model to show duality of the cuboctahedron and rhombic dodecahedron
• File:Polyhedra Model in card of the Great Disnub Dirhombidodecahedron first described by J. Skilling, c.1978.
• File:Cordingley computometer adding machine
• File:Case of silver and horn drawing instruments presented by Louis XVI to Euler in 1764, made by Canivet, Paris, France, 1764
• File:Exactus stylus-operated adding and subtracting device, with swivelling half plate for add and subtract options, marked "Mini-Add Made in England"
• File:Mechanical ready reckoner patented by J. Hine, 1905
• File:Lloyds Accumatic TM100 electronic calculator
• File:Laundry tally board, English, of wood, brass and horn
• File:Magic brain calculator in tin and plastic, with stylus and instructions
• File:Box 1 (A and B) from Arithmetical teaching aid, "A. Sonnenschein's Improved Arithmometer", made by George Philip and Son, London and Liverpool.
• File:Box 2 from Arithmetical teaching aid, "A. Sonnenschein's Improved Arithmometer", made by George Philip and Son, London and Liverpool.
• File:Set of eleven strips based on Napier's bones, card with copperplate engraving: " Rabdologie par privilege du Roy" made by Sebastien de Pontault, Sieur de Beaulieu, and dated 3 August 1673.
• File:La Multi, prototype of French calculating device based on Napier's bones, seven figures, c. 1920
• File:Harding's improved counter by Harding, Richardson, Rhodes and Co. Ltd., Leeds
• File:Box of sixty boxwood calculating rods, four missing, inked on four faces for calculations to base 60, late 17th or early 18th century from association with Towneley circle
• File:Working demonstration of barrel calculating machine mechanism, constructed in Museum
• File:Sanyo ICC-82D portable electronic calculator with carry case, made in Japan 1970
• File:Silva Combi 2 map measurer for motorists and hikers, black plastic casing with two dials, magnifying glass and zeroing revolution counter, made in Germany, c. 1989
• File:One of two boxed sets of Genaille's rods, 1885: "reglettes multisectrices" and "reglettes multiplicatrices"
• File:"Numeric Demonstrator", elementary arithmetical teaching apparatus patented by Ethel L. Linay, 10 wooden rods with printed wooden grids, in box
• File:Addometer adding machine with 8 stylus-operated dials, made by the Reliable Typewriter and Adding Machine Co., Chicago.
• File:Boxwood hatter's rule with table of sizes, heads and hats, by James Gargory, Bull Street, Birmingham, B1752
• File:Set of six boxwood drawing scales with offsets, in fitted case, by Stanley, Great Turnstile, London (B4349, A180468).
• File:Stylus-operated Indian currency adder, wooden backboard with varnished card face, handmade, inscribed "R.G.W. 24.2.12", B4351, A201210
• File:Two wooden bakers' tallies, one stick notched, B4360, A7216
• File:Japanese soroban with 13 columns, each column with 5 lower and one upper bead, in box, B4366, A18809
• File:"Locke adder" calculating device patented 1901 and made by C.E. Locke Manufacturing Company, Kensett, Iowa.
• File:S & N adding machine by Seidel & Naumann, Dresden, serial no. 2398, with stylus and instructions
• File:"Consul" The Educated Monkey, simple multiplication device patented in Britain 1916 and 1918, tin
• File:Mechanical counter in decorative metal case
• File:Casio LC-841, LCD pocket electronic calculator, with plastic wallet.
• File:Alpina calculating machine
• File:Stand for Alpina calculating machine
• File:`Baby Calculator' stylus adding device by Glenview, Illinois, USA, c. 1960
• File:Creed model S4060 Paper Tape Handling Desk, s/n 2769
• File:Wages Tables (c. 1850), used in instrument maker's office, 7.5" long
• File:`MONEYWISE' calculator converting metric to imperial, Celsius to Farenheit and mortgage interest rates using interference, 1990
• File:Set of arithmetical scales by Smith and Dolier
• File:"Arithmetical medal and numerical pocket piece" by I. Maddux
• File:Arithmetical instrument known as a Rotula, engraved `For Adam Hepburne of Humbrie May 17 1699'. Formerly in the possession of Charles Stanhope, the third Earl of Stanhope.
• File:Charles Cotterell's `Instrument for Arithmeticke' by Robert Jole, 1677
• File:Twelve replica German jetons, originals date from the 16th century
• File:Original Klein bottle which when cut forms a pair of single twist Mobius strips.
• File:Variation on the Klein bottle with inlet passing through vessel which when cut forms a pair of single-twist Mobius strips
• File:Klein bottle with three inlet tubes which when cut produce three pairs of single twist Mobius strips
• File:Klein bottle with three inlet tubes which when cut produce three pairs of single -twist Mobius strips
• File:Five-layered sphere, extension of the three Klein bottles above to infinity which when cut gives a pair of single-twist mobius strips
• File:Five-layered sphere with added access routes which when cut produces a pair of single -twist Mobius strips.
• File:Three Klein bottles in a column which when cut form a pair of single -twist Mobius strips.
• File:Three Klein bottles arranged in a column which when cut form a pair of five-twist Mobius strips.
• File:Three columns of three Klein bottles interconnected, which when cut form three pairs of single-twist Mobius strips, one of each pair being separate, the other of each pair being interconnected
• File:'Way-in way-out vessel' equivalent to two Klein bottles, one inverted, sealed together back-to-back. When cut it forms two pairs of single twist Mobius strips.
• File:Sphere with three interlinked loops, the equivalent of three interconnected Klein. bottles, which cannot be cut in practice, but in theory would produce three interlinked pairs of single-twist Mobius strips.
• File:Three Klein bottles set inside each other to produce when cut three pairs of single-twist Mobius strips.
• File:Three Klein bottles set inside each other sharing a common loop, when cut this gives a pair of single -twist Mobius strips and is related to the five-layered spheres.
• File:Toroid Klein bottle with disguised pierce which when cut produces a pair of single-twist Mobius strips.
• File:Toroid single surface vessel with the loop inside the torus, one of three, can be cut to produce a pair of single-twist Mobius strips.
• File:Toroid single surface vessel with a narrow loop outsid, one of three, can be cut to produce a pair of single-twist Mobius strips
• File:Toroid single surface vessel with a wider loop outside, one of three, can be cut to produce a pair of single-twist Mobius strips
• File:Double looped Klein bottle which when cut gives a pair of three-twist Mobius strips.
• File:Triple loop Klein bottle which when cut gives a pair of five-twist Mobius strips.
• File:Parallel sided coil with loops piercing the return tube which when theoretically cut gives a pair of 13- twist Mobius strips.
• File:Parallel sided coil with one piercing of the return tube which when theoretically cut gives a pair of 15- twist Mobius strips.
• File:Klein bottle with coiled inlet tube, or jacketed coil with singularity and entrance at opposite ends. Theoretically gives a pair of 19-twist Mobius strips when cut.
• File:Parallel-sided coil with remote return tube, the inlet and singularity at the same end. When cut gives a 17-twist Mobius strip.
• File:Small Klein bottle, one of four, two loop relating to the three-twist Mobius strip.
• File:Small Klein bottle, one of four, three loops relating to the five-loop Mobius strip.
• File:Small Klein bottle, one of four, three loops relating to the five-loop Mobius strip.
• File:Small Klein bottle, one of four, four loop relating to the seven-twist Mobius strip.
• File:Part of Klein bottle cut to form two single-twist Mobius strips.
• File:Part of Klein bottle cut to form two single-twist Mobius strips.
• File:Klein bottle cut to form two interlinked three-twist mobius strips.
• File:Klein bottle cut to form one four- twist band.
• File:Klein bottle cut along line 1 to form one single-twist mobius strip.
• File:Klein bottle cut along line 2 to form one single-twist Mobius strip.
• File:Main part , one of three, of Triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:Minor part, one of three, of Triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:Minor part, one of three, of Triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:Main part, one of three, of triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:Minor part, one of three, of triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:Minor part, one of three, of triple Klein bottle, two slices, each 1/6, cut away to form single-twist strips.
• File:One of the pair of three-twist Mobius strips cut from a double loop vessel as in item 16).
• File:Wire model of Cayley's 'cylindroid' by Grubb, Dublin in brass glazed cylindrical case on wooden base
• File:Richmond Educational Spelling Board, a teaching game for spelling and numeracy by the Richmond School Furniture Company, Indiana, USA, c.1940.
• File:Playskool wooden toy, a wooden framework with rotating blocks bearing numbers and symbols to do arithmetic.
• File:Sliceform of a cone
• File:Sliceform of a cassinian oval
• File:Sliceform of a cassinian oval
• File:Sliceform of a tetrahedron
• File:Sliceform of a conoid surface
• File:Sliceform of a monkey saddle surface
• File:Sliceform of a parabola of revolution
• File:Calculating Rule 'Parker's Prestometer Tablet', c.1860 by Isaac Aston, London.
• File:Electronic Pocket Calculator by Isot, model Elka 101, c1976.
• File:'Twist & Shout Multiplication' a digital and audio mathematical toy by Leap Frog, a division of Knowledge Kids Enterprises. Complete with packaging, instructions and marked as manufactured in China.
• File:Short bead chain, connected beads on nylon thread designed and made by the Montessori Centre, London, England, to aid teaching multiplication, 2000.
• File:Multiplication Board Set, a teaching aid for practice of the one to ten times tables designed and made by the Montessori Centre, London, England, 2000.
• File:Coloured counting bars, a mathematical teaching aid designed and made by the Montessori Centre, London, England, 2000.
• File:Selection of beads from 'Introduction to decimal quantity', a teaching aid to illustrate the decimal quantities 1, 10, 100 & 1,000. Designed and made by the Montessori Centre, London, England, 2000.
• File:Soroban Japanese abacus, with 15 digit. Purchased from Association of Teachers of Mathematics, 2001.
• File:Mathematical exercise book for Master F. Ashton attending at Mr. Knagg's Classical Mathematical & Commercial Academy at Westow Hall, Kirkham near York, dated Oct. 11th, 1862. Printed by Bean Stationer, Leeds.
• File:Mathematics text book titled, 'Applied Mathematics for Girls' by Dr. Nettie Stewart-Davis, published by The Bruce Publishing Company, Milwaukee, USA in 1947 (5th edition).
• File:Diene's Multi-base Arithmetic Blocks in wood for bases 2,3,4,5 and 10, unsigned probably English, c.1960.
• File:A collection of Centicubes with two boards, for use as mathematical teaching aids, designed by E.S. Perry and made by Cosmiroid England, c. 1975.
• File:A Cuisenaire 'Numbers in Colour' set, a mathematical teaching aid, by 'The Cuisenaire Company Limited', Reading, England, 1964.
• File:Little Professor calculator, children's working educational toy / game displayed in 'Challenge of the Chip' Science MuseumExhibition in conjunction with the Design Council and the Department of Industry. 1980
• File:Multiplication table aide memoire, early 18th century. The level of numeracy in England was poor even among gentlemen, as shown by this ivory instrument. It gives the multiplication tables up to 10 with a separate table for 12s.
• File:Set of 33 geometric solids, glass, various solids each with a small manuscript numbered label; a compartmentalised plush and silk-lined leather covered case; a small booklet showing woodcuts of 22 polygons and 26 solids, early 19th Century.
• File:Hemi-Pseudosphere
• File:Double surface of revolution of constant negative curvature
• File:Single surface of revolution of constant negative curvature
• File:Sinclair Cambridge electronic calculator
• File:Mechanical demonstration of the integration principle using a modified record player turntable and pick-up
• File:Ordnance Survey map of Bedford, England, one-inch to the mile, sheet No. 84, 19th century
• File:Boots 314 electronic pocket calculator
• File:Wire and card model showing plane tesselation for dodecahedron, a regular polyhedra, c. 1975
• File:Wire and card model showing plane tesselation for great dodecahedron, a regular polyhedra, c. 1975
• File:Panel showing stellation of a pentagon, c. 1975
• File:Panel showing stellation of a dodecahedron, c. 1975
• File:Panel showing stellation of a great dodecahedron, c. 1975
• File:Mechanical illustration of how a epicycloid is drawn using drawing roulettes driven by motors
• File:Mechanical illustration of how a hypocycloid is drawn using drawing roulettes driven by motors
• File:Mechanical illustration of how a cycloid is drawn using drawing roulettes driven by motors
• File:Model of a geometrical surface, whose equation, referred to a suitable system of co-ordinates, may be written (x-p/a1)2 = 1/k6(c-y)3 (c+y), where p=1/f (c-y0 (c+y), q=1/g3(c-y)(c+y) and a,b,c,f,g & k are all constants
• File:Pair of drawing dividers
• File:Mobius strip demonstration, a model that shows the single surface of the strip using an animated series of lights along the surface c. 1975
• File:Plaster surface model satisfying the equation W = 1/Z, last quarter 19th century.
• File:Glazed pottery mug by Staffordshire Potteries Ltd. with ready reckoner decimal currency conversion chart, c.1971.
• File:Plastic number balance, an educative toy for learning arithmetic by the Early Learning Centre, c.1990.
• File:Plastic pencil case with, "TURN ' N ' LEARN" multiplication table ready reckoner by Tallon International Ltd., marked made in China, c.1994.
• File:Dodecahedron in duraluminium made by Michael Brown, 2004