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
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US1404019