Patent:GB191109563
Brevetto: | GB 191109563 |
Titolo: | Improvements in and relating to Multiplying Arrangements for Calculating Machines |
Data: | 19.06.1912 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | |
Ditta: | McCaskey Electric Calculator Co. (P) |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 19.06.1912
- TITEL: Improvements in and relating to Multiplying Arrangements for Calculating Machines.
- PERSON: MCCASKEY ELECTRIC CALCULATOR CO US