ScientificAmerican1902-04-19.jpg Baseball 1934-06ThumbnailsBaseball 1934-06ThumbnailsBaseball 1934-06ThumbnailsBaseball 1934-06ThumbnailsBaseball 1934-06Thumbnails
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