Patent:GB707740
| Patent: | GB 707740 |
| Titel: | Improvements in or relating to circular Slide Rules for making calculations relating to speed, time, and distance |
| Datum: | 21.04.1954 |
| Ort: | Liverpool |
| Land: | Großbritannien |
| Person: | Harold Alexandre Babington |
| Firma: | |
| Links im Rechnerlexikon: | Rechenscheibe |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) | GB707740 |
- DATUM: 21.04.1954
- TITEL: Improvements in or relating to circular slide rules for making calculations relating to speed, time, and distance
- PERSON: HAROLD ALEXANDRE BABINGTON BLA
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GB707740