Man loading punch cards into a tabulating ?
Man loading punch cards into a tabulating machine used in the 1920 United States census. It was a predecessor of electronic computers, and worked by mechanically reading punch cards with coded information
Picture No
10662484
Media ID
45206572
Size
2176px x 3000px
(1.2MB)
Credit
Mary Evans / Everett Collection
Usage Restrictions
Strictly editorial use only. Please contact Mary Evans if any other use required
Pick your License
Restrictions Only for Ireland and United Kingdom
Bureaucracy Census Coded Computation Computers Electronic Inventions Mechanical Mechanically Occupational Predecessor Readable Tabulating Tabulator
Features In These Collections
> Contributors > EVR
