Mechanical Arithmetic Or the History of the Counting Machine
The book Mechanical Arithmetic Or the History of the Counting Machine was written by author D E Dorr Eugene Felt Here you can read free online of Mechanical Arithmetic Or the History of the Counting Machine book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Mechanical Arithmetic Or the History of the Counting Machine a good or bad book?
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Furthermore, they were very large ; probably eighteen inches long, ten inches wide and six or eight inches high. They would have accomplished nothing more, even if they had worked, than these little things you stick in your vest pocket, with four dials which are operated with a stylus. His machine was operated exactly the same. But its great bulk, the largeness of the machine, was occa- sioned by the very complicated carrying mechanism, to transmit tens from one order to the next, units to tens..., and tens to hundreds, etc. But, having been the greatest scien- tist of his time, and having a great many friends, and being a Frenc'hman — (the French recorded the efforts of the dif- THE HISTORY OF THE COUNTING MACHINE 11 ferent attempted inventions in calculators more perfectly than any other nation) — ^he is given a great deal of credit in that direction. Sir Samuel Moreland, in England in 1663, made a mechan- ical calculator which was practically in all respects the same little disk machine of today, compact and simple.
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