Patent:GB332668
Brevetto: | GB 332668 |
Titolo: | Method of and means for calculating and indicating the ratio of two variable quantities |
Data: | 31.07.1930 |
Luogo: | Sydney, Australien |
Nazione: | Gran Bretagna |
Persona: | Julius, George Alfred (P), Julius, Awdry Francis (P) |
Ditta: | |
Link interni: | Verhältnisrechner, Analogrechner |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 31.07.1930
- TITEL: Method of and means for calculating and indicating the ratio of two variable quantities
- PERSON: GEORGE ALFRED JULIUS