Patent:GB468257
Patent: | GB 468257 |
Titel: | Improvements in Slide Rule calculators, other scale devices, and direction drawing instruments |
Datum: | 01.07.1937 |
Ort: | |
Land: | Großbritannien |
Person: | Boardman, Hubert (P) & Clayton, Albert Edmund (P) & Naylor, Felix Samuel (P) |
Firma: | Thornton (P) Ltd |
Links im Rechnerlexikon: | Rechenschieber |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB468257 |
- DATUM: 01.07.1937
- TITEL: Improvements in slide rule calculators, other scale devices, and direction drawing instruments
- PERSON: HUBERT BOARDMAN