Patent:GB232037
Patent: | GB 232037 |
Title: | Improvements in and relating to calculating instruments |
Date: | 16.04.1925 |
Place: | |
Country: | Great Britain |
Person: | Lindsay Ernest Edwards |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 16.04.1925
- TITEL: Improvements in and relating to calculating instruments
- PERSON: LINDSAY ERNEST EDWARDS