Patent:GB190923858
Patent: | GB 190923858 |
Title: | Improvements in and relating to Adding and Calculating Machines |
Date: | 18.10.1910 |
Place: | |
Country: | Great Britain |
Person: | Hunter, John Pirrong (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 18.10.1910
- TITEL: Improvements in and relating to Adding and Calculating Machines.
- PERSON: HUNTER JOHN PIRRONG US