Patent:GB152640
Patent: | GB 152640 |
Titel: | Statistical data representation systems and co-operating differential mechanism for perforated record card controlled statistical machines. |
Datum: | 29.12.1920 |
Ort: | |
Land: | Großbritannien |
Person: | Peirce, John Royden (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB152640 |
- DATUM: 29.12.1920
- TITEL: Statistical data representation systems and co-operating differential mechanism for perforated record card controlled statistical machines
- PERSON: JOHN ROYDEN PEIRCE
- Patent Family: ( Patent:DE375017, Patent:FR525902, Patent:GB131902, Patent:GB152640, Patent:US1930283 )