Patent:US897688
Patent: | US 897688 |
Title: | Resetting Device for Adding Machine |
Date: | 01.08.1908 |
Place: | |
Country: | USA |
Person: | J. J. Walsh |
Company: | |
Internal Links: | Scheibenaddierer, The Standard Desk Calcumeter |
Keywords: | Rückstellung |
Link to the patent office: (without guarantee) | ![]() ![]() |