• Thumbnail for 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...
    6 KB (625 words) - 12:06, 25 April 2024
  • Thumbnail for Willgodt Theophil Odhner
    entrepreneur, working in St. Petersburg, Russia. He was the inventor of the Odhner Arithmometer, which by the 1940s was one of the most popular type of portable...
    5 KB (512 words) - 13:41, 25 November 2023
  • Willgodt Theophil Odhner (1845–1905), Swedish engineer and inventor of the Odhner Arithmometer working in Russia Nils Johan Teodor Odhner (1879–1928), Swedish...
    1 KB (105 words) - 19:20, 26 October 2019
  • Thumbnail for Arithmometer
    USA, Odhner's Arithmometer in Russia, and Brunsviga in Germany had passed it in volume of machines manufactured. Production of the arithmometer stopped...
    30 KB (3,845 words) - 00:32, 2 June 2024
  • Thumbnail for Mechanical calculator
    arithmometer was the only type of mechanical calculator available for sale until the industrial production of the more successful Odhner Arithmometer...
    69 KB (9,224 words) - 00:59, 17 August 2024
  • Thumbnail for Pinwheel calculator
    extremely popular with the success of Thomas' Arithmometer (manufactured 1850s) and Odhner Arithmometer (manufactured 1890s). In "Machina arithmetica...
    10 KB (1,106 words) - 17:11, 16 November 2023
  • Thorsten Nordenfelt Northrop Loom – James Henry Northrop Odhner Arithmometer – Willgodt Theophil Odhner Odón device – Jorge Odón Ormerod link – Edward Ormerod...
    24 KB (1,837 words) - 16:11, 7 August 2024
  • Thumbnail for Mechanical computer
    encapsulate most of the elements of modern computers. Odhner Arithmometer, 1873 – W. T. Odhner's calculator who had millions of clones manufactured until...
    20 KB (1,743 words) - 19:23, 5 August 2024
  • Thumbnail for Marchant Calculating Machine Company
    had a reputation for reliability. First models were similar to the Odhner arithmometer. In 1918, employee Carl Friden designed a new model in response to...
    6 KB (758 words) - 22:36, 9 January 2024
  • and electrical engineering Theophil Wilgodt Odhner (1845–1903), Sweden/Russia – the Odhner Arithmometer, a mechanical calculator Paul Offit (born 1951)...
    107 KB (11,985 words) - 06:53, 11 August 2024