From the great encyclopedia of mechanical calculating
Patent: | US 453778 |
Title: | Adding Machine |
Date: | 09.06.1891 |
Place: | |
Country: | USA |
Person: | Shattuck, Arthur (P) |
Company: | |
Internal Links: | Centigraph, Kolonnenaddierer |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
Siehe auch Patent:US363972
US453778.pdf (http://www.rechnerlexikon.de/files/patent/US453778.pdf)
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