Wikipedia

File:Nuvistor 530.jpg

Original file (1,488 × 1,120 pixels, file size: 158 KB, MIME type: image/jpeg)

Summary

Description
English: Nuvistor electronic tube, next to a U.S. dime for scale
Date
Source Transfer from en:File:Nuvistor 530.jpg
Author Jim Rees en:User:Rees11 jim.rees.org


This image has currency in it to indicate scale.

Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.

Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro as of 2002:
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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Licensing

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.
Attribution: Jim Rees en:User:Rees11
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Original upload log

The original description page is/was here (log). All following user names refer to en.wikipedia.

  • 2007-04-17 06:02 Rees11 1488x1120 (158 KB) (Photo by Jim Rees jim.rees.org)

Captions

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Items portrayed in this file

depicts

inception

16 April 2007

exposure time

0.1 second

focal length

4.6 millimetre

File history

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Date/TimeThumbnailDimensionsUserComment
current18:52, 24 July 2010Thumbnail for version as of 18:52, 24 July 20101,488 × 1,120 (158 KB)Sv1xv{{Information |Description={{en|Nuvistor electronic tube}} |Source=Own work by uploader |Date=2007-04-16 |Author=Photo by Photo by Jim Rees en:User:Rees11 jim.rees.org |Permission= |other_versions= }} {{cc-by-sa-2.5|Jim Rees en:User:Rees11}} [

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