Patent:GB136043
Patent: | GB 136043 |
Title: | Improvements in or relating to Harmonographs. |
Date: | 11.12.1919 |
Place: | |
Country: | Great Britain |
Person: | Walls Robert Reid |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 11.12.1919
- TITEL: Improvements in or relating to Harmonographs.
- PERSON: WALLS ROBERT REID