Tabulating machine

The tabulating machine was a machine used to make the 1890 United States census. It was made by Herman Hollerith. Hollerith's machine used punched cards to store information with by categorisation.

Tabulating Machine Media

Hollerith 1890 tabulating machine with sorting box.^[a]
Image of punched card of Herman Hollerith
IBM Type 285 tabulators in use at U.S. Social Security Administration circa 1936
Early IBM D11 tabulating machine, with covers removed
Powers-Samas accounting machine
Control panel for an IBM 402 Accounting Machine

This short article about technology can be made longer. You can help Wikipedia by adding to it.

Cite error: There are <ref> tags on this page, but the references will not show without a {{Reflist|group=lower-alpha}} template or a <references group="lower-alpha"/> tag.

[a]