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
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
A punched card is a stiff paper-based medium used to store digital information via the presence or absence of holes in predefined positions. Developed over the 19th to 20th centuries, punched cards we
Time clock
…machine. These will usually be activated by a button that a worker must press to stamp their card, or stamp upon full insertion. Some machines use punch hole cards instead of stamping, which can facilitate automated processing on machinery not capable of optical character recognition. There are also variations…
A set of two 12-row/80-column punched cards (one blank, one used) from the mid-twentieth century
Carpet loom with Jacquard apparatus by Carl Engel, around 1860. The chain feed is on the left.
A worker changing Jacquard cards in a lace machine, September 1918. The pattern of the lace is dictated by the holes in the cards.
Woman operating the card puncher, c. 1940