Patent:GB500267
Patent: | GB 500267 |
Title: | Improvements in course calculating instruments for aeroplanes, airships and the like |
Date: | 06.02.1939 |
Place: | |
Country: | Great Britain |
Person: | Percival Boyd |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 06.02.1939
- TITEL: Improvements in course calculating instruments for aeroplanes, airships and the like
- PERSON: PERCIVAL BOYD