Unit Wiring Boards for Tabulating Machines, 1940 - 1941
| Uploaded by | U.S. National Archives |
|---|---|
| License | No known copyright restrictions |
| Comments | 0 |
| Favorites | 10 |
| Views | 78,310 |
| Date taken | 1940 |
| Date uploaded | 2012-02-27 |
| Tags | usnationalarchives, nara, 1940census, nara:arcid=6200852 |
| Visibility | public |