Innovative Calculating Machine Patent from 1878
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Discover the fascinating history of the Odhner calculating machine and its impact on the world of mathematics. This patented device revolutionized multiplication through repeated additions. Learn how this modified version of Gottfried von Leibniz's stepped wheel paved the way for Brunsviga calculators that remained popular until the 1950s.
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Patent Print of an Adding Machine, Patent Art Print, Patent Poster, Calculator, Calculating Machine, Accountant Gift, Accountant Gift, QP468: Posters & Prints
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Inventions of the 19th Century
National Museum of American History
![](https://cdn.britannica.com/09/2409-004-13A1FC9C/Plans-Matzeliger-machine.jpg)
Inventors and Inventions of the Industrial Revolution: Stories & History, Britannica
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Application of electricity Cut Out Stock Images & Pictures - Alamy
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File:Grant mechanical calculating machine 1877.jpg - Wikipedia
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Patent 1878 Phonograph Thomas Edison Invention Art Print Poster Wall Art Record Player Patent Music Room Art - Sweden
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Invention patent machine hi-res stock photography and images - Alamy
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Invention patent machine hi-res stock photography and images - Alamy
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Signposts to Diverse Stories of Invention Lemelson Center for the Study of Invention and Innovation
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Burroughs receives calculating machine patents, August 21, 1888 - EDN
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Patent medicine hi-res stock photography and images - Page 11 - Alamy