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Punched card
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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
A set of two 12-row/80-column punched cards (one blank, one used) from the mid-twentieth century
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.
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.
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
Woman operating the card puncher, c. 1940
Jacquard machine
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The Jacquard machine is a device fitted to a loom that simplifies the process of manufacturing textiles with such complex patterns as brocade, damask and matelassé. The resulting ensemble of the loom
Punched card
…medium that could then be read by a machine, developing punched-card data-processing technology for the 1890 U.S. census. This was inspired in part by Jacquard loom weaving technology and by railway punch photographs. Punch photographs were quick ways for conductors to mark a ticket with a description of the ticket…
This portrait of Jacquard was woven in silk on a Jacquard loom and required 24,000 punched cards to create (1839). It was only produced to order. Char
This portrait of Jacquard was woven in silk on a Jacquard loom and required 24,000 punched cards to create (1839). It was only produced to order. Charles Babbage owned one of these portraits; it inspired him in using perforated cards in his Analytical Engine. It is in the collection of the Science Museum in London, England.
A Jacquard loom showing information punchcards, National Museum of Scotland
A Jacquard loom showing information punchcards, National Museum of Scotland
A schematic diagram of the Jacquard system
A schematic diagram of the Jacquard system
19th century Engineering drawing of a Jacquard loom
19th century Engineering drawing of a Jacquard loom