Patent:GB290746
Brevetto: | GB 290746 |
Titolo: | Calculating cylindrical slide rules with slider |
Data: | 21.05.1928 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Ruben Brusch |
Ditta: | |
Link interni: | Rechenschieber |
Keywords: | |
Link al brevetto: (without guarantee) | GB290746 |
- DATUM: 21.05.1928
- TITEL: Calculating cylindrical slide rules with slider
- PERSON: RUBEN BRUSCH