Patent:US400714
Patent: | US 400714 |
Title: | Adding Machine |
Date: | 02.04.1889 |
Place: | |
Country: | USA |
Person: | J. G. & G. W. Smith |
Company: | |
Internal Links: | Kolonnenaddierer, Tasten |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
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Patent: | US 400714 |
Title: | Adding Machine |
Date: | 02.04.1889 |
Place: | |
Country: | USA |
Person: | J. G. & G. W. Smith |
Company: | |
Internal Links: | Kolonnenaddierer, Tasten |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |