Patent:US1404019
Patent: | US 1404019 |
Titel: | Mechanical Calculating Device |
Datum: | 17.01.1922 |
Ort: | |
Land: | USA |
Person: | C. A. Gilson |
Firma: | Gilson Slide Rule Co (P) |
Links im Rechnerlexikon: | Gilson Atlas Calculator |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1404019 (espacenet), US1404019 (uspto) |
- Henry Aldinger and Ed Chamberlain: "Gilson Slide Rules - Part II - The Large Rules" in Journal of the Oughtred Society Vol- 9, No. 2, Fall 2000, p. 47ff