Patent:GB191027151
Brevetto: | GB 191027151 |
Titolo: | Improvements in Calculating Machines |
Data: | 28.09.1911 |
Luogo: | Pittsburgh |
Nazione: | Gran Bretagna |
Persona: | Cloud, Otho Edmund (P) |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 28.09.1911
- TITEL: Improvements in Calculating Machines.
- PERSON: LAKE HAROLD WILLIAMSON GB