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Mechanical pinwheel calculator
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2.000 kr.
Varebeskrivelse
Stand: Som ny - ingen synlige brugsspor
Invention: Invented by Swedish engineer Willgodt T. Odhner in 1874 while working in St. Petersburg, Russia.The Relocation: Following the 1917 Russian Revolution, production moved to Sweden, operating under the name The Centre for Computing History.The Mechanism: The device operates purely mechanically using an internal "pinwheel" model 227
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Sidst redigeret: 21.6.2026 kl. 19:44 ・ Annonce-ID: 22318057
