Time clock
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A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees at a place of business.
British munitions workers clocking in at the start of a shift, 1940
Electronic time clock
Early time clock, made by National Time Recorder Co. Ltd. of Blackfriars, London at Wookey Hole Caves museum
A Bundy clock used by Birmingham Corporation Transport
The Computing-Tabulating-Recording Company was a holding company of manufacturers of record-keeping and measuring systems. The company would ultimately become known as IBM.
Time clock
…time clocks. In 1900, the time recording business of Bundy Manufacturing, along with two other time equipment businesses, was consolidated into the International Time Recording Company (ITR). In 1911, ITR, Bundy Mfg., and two other companies were amalgamated (via stock acquisition), forming a fifth company, Computing-Tabulating-Recording…
Front cover of a January 1920 sales catalog showing clocks, scales and tabulating equipment)
Hollerith's plant in 1893
Charles Ranlett Flint had already created several successful consolidations, including creating industrial giant U.S. Rubber.
Thomas J. Watson