Odhner specialised in pinwheel mechanical calculators, which were invented by Willgodt T. Odhner in St. Peterburg, Russia, in 1874.
St. Peterburg
United States
Willgodt T. Odhner
Company Formed
1874
Sources
Odhner specialised in pinwheel mechanical calculators, which were invented by Willgodt T. Odhner in St. Peterburg, Russia, in 1874.
St. Peterburg
United States