File list
This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 10:59, 3 June 2017 | Powers16.gif (file) |  |
48 KB | Powers Automatic Punching Machine (Census Model) THIS model designed for the United States government. Three hundred used in the compilation of the 1910 census. Automatically feeds and ejects cards. Gang punches repeated facts and makes one sort of the... | 1 |
| 11:24, 27 May 2017 | J L Powers.jpg (file) |  |
355 KB | 1 | |
| 10:48, 20 May 2017 | 1407399440-c35a8548e2f998f8ccedb9f5f770fc77.jpg (file) |  |
46 KB | 1 |
