Patent:GB227643
| Patent: | GB 227643 |
| Titel: | Improvements in and relating to Slide Rules or other logarithmically |
| Datum: | 22.01.1925 |
| Ort: | |
| Land: | Großbritannien |
| Person: | George Gouthwaite Scurfield |
| Firma: | |
| Links im Rechnerlexikon: | |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) | GB227643 |
- DATUM: 22.01.1925
- TITEL: Improvements in relating to slide rules or other logarithmically graduated calculators
- PERSON: GEORGE GOUTHWAITE SCURFIELD
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GB227643