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