Showing posts with label Jacquard Loom. Show all posts
Showing posts with label Jacquard Loom. Show all posts

Thursday, April 8, 2010

The Origins of Punch Cards

Just found a great photograph of a Jacquard Loom used for weaving complex patterns in cloth. The program for the pattern was stored in punch cards that were adopted by Charles Babbage as the input mechanism for the Analytical Engine.
Punch cards are still used by some knitting machines, but no longer by computers.