Home / General Magazines / Science and Technology Magazines / Scientific American /
Scientific American 1902-04-19
549/1099
Census-taking by machinery. Hollerith card-puncher. Population-card punch. Tabulating and adding machine.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Monday 15 March 2010
- Posted on
- Monday 15 March 2010
- Visits
- 928