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  2. Arithmometer - Wikipedia

    en.wikipedia.org/wiki/Arithmometer

    The arithmometer (French: arithmomètre) was the first digital mechanical calculator strong and reliable enough to be used daily in an office environment. This calculator could add and subtract two numbers directly and perform long multiplications and divisions effectively by using a movable accumulator for the result.

  3. Charles Xavier Thomas - Wikipedia

    en.wikipedia.org/wiki/Charles_Xavier_Thomas

    The first model of the Arithmometer was introduced in 1820, and as a result Thomas was made Chevalier of the Legion of Honor in 1821. [2] [3] Despite this, Thomas spent all of his time and energy on his insurance business, therefore there is a hiatus of more than thirty years in before the Artitometer's commercialization in 1852.

  4. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    For 40 years, [57] the arithmometer was the only mechanical calculator available for sale and was sold all over the world. By 1890, about 2,500 arithmometers had been sold [58] plus a few hundreds more from two licensed arithmometer clone makers (Burkhardt, Germany, 1878 and Layton, UK, 1883). Felt and Tarrant, the only other competitor in true ...

  5. Odhner Arithmometer - Wikipedia

    en.wikipedia.org/wiki/Odhner_Arithmometer

    The Odhner Arithmometer was a very successful pinwheel calculator invented in Russia in 1873 by W. T. Odhner, a Swedish immigrant. Its industrial production officially [ 1 ] started in 1890 in Odhner's Saint Petersburg workshop.

  6. Burroughs Corporation - Wikipedia

    en.wikipedia.org/wiki/Burroughs_Corporation

    1914 advertisement An early Burroughs adding machine Desktop model in use around 1910. In 1886, the American Arithmometer Company was established in St. Louis, Missouri, to produce and sell an adding machine invented by William Seward Burroughs (grandfather of Beat Generation author William S. Burroughs).

  7. Willgodt Theophil Odhner - Wikipedia

    en.wikipedia.org/wiki/Willgodt_Theophil_Odhner

    Odhner Arithmometer Willgodt Theophil Odhner ( Russian : Вильгодт Теофил Однер ; 10 August 1845 – 15 September [ O.S. 5 September] 1905) was a Swedish engineer and entrepreneur, working in St. Petersburg , Russia.

  8. American Arithmometer Company - Wikipedia

    en.wikipedia.org/wiki/American_Arithmometer_Company

    After submitting a patent in 1885 for an adding and listing machine with a full keyboard, on January 20, 1886, Burroughs co-founded the American Arithmometer Company along with Thomas Metcalfe, Richard. M. Scruggs, and William R. Pye. The fledgling company continued to operate out of the Boyer Machine building in St. Louis. [2]

  9. Pinwheel calculator - Wikipedia

    en.wikipedia.org/wiki/Pinwheel_calculator

    In St. Petersburg, Russia, Wilgott Theophil Odhner invented his arithmometer in 1874 and in 1890 [7] it became the first pinwheel calculator to be mass-manufactured. Its industrial production started in Odhner's workshop: W.T. Odhner, Maschinenfabrik & Metallgiesserei and then moved to the Odhner-Gill factory (фабрика Однера ...

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