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Patent:CA24448
| Patent: | CA 24448 |
| Title: | Adding machine |
| Date: | 07.07.1886 |
| Place: | |
| Country: | Canada |
| Person: | Peter T. Lindholm |
| Company: | |
| Internal Links: | Kolonnenaddierer |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA24448 |
Patent:
Patent
CA24448A Fig. 1 + 2