Operation punch cards for Analytical Engine, nos. 22 - 29
Computer History
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Search our collection Science Museum Group Collection
What If Babbage..?
Early Punched Card Equipment, 1880 - 1951 - Engineering and Technology History Wiki
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Douglas W. Jones's punched card index
Analytical Engine Yiyun Kang: RESEARCH
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Charles Babbage left a computer program in Turin in 1840. Here it is.