Demonstration of the "Plus" Rapid adding machine, c. 1937, by Logan (Birmingham) Ltd
| Uploaded by | State Library of New South Wales |
|---|---|
| License | No known copyright restrictions |
| Comments | 3 |
| Favorites | 13 |
| Views | 24,340 |
| Date taken | 1937 |
| Date uploaded | 2011-03-09 |
| Tags | vintage, technology |
| Visibility | public |