Patent:US1250379
Patent: | US 1250379 |
Title: | Slide Rule |
Date: | 18.12.1917 |
Place: | |
Country: | USA |
Person: | F. O. Stillman & H. M. Schleicher |
Company: | |
Internal Links: | Rechenschieber |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
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Patent: | US 1250379 |
Title: | Slide Rule |
Date: | 18.12.1917 |
Place: | |
Country: | USA |
Person: | F. O. Stillman & H. M. Schleicher |
Company: | |
Internal Links: | Rechenschieber |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |