File:Leibniz Calculator Using The Pascaline.jpg

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Summary

Description	English: Drawing by Leibniz showing how his calculator could use Pascal's calculator. First description of a pinwheel design (1685)
Date	3 December 2012, 21:26:09
Source	Reproduction of a drawing that was part of the article "Machina arithmetica in qua non additio tantum et subtracto sed et mutiplicatio nullo, diviso vero paene nullo animi labore peragantur" written in 1685 by Gottfried Leibniz, from "Source books in the history of the sciences" published in 1929, Mc Graw-Hill Book CO.
Author	Gottfried Wilhelm Leibniz

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