Who Invented Punch Card - 搜索图片

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ar.inspiredpencil.com
Herman Hollerith Punch Card
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flickr.com
First Stack of Punch Cards | Invention of Charles Babbage …
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atwatereffect.com
History of Punch Cards | Atwater Effect
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coinsblog.ws
Punched card | Coin Collectors Blog

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historictech.com
When Punch Cards Ruled Computers – historictech
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americanhistory.si.edu
| National Museum of American History
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si.edu
Punch Cards used with a PDP-9 Minicomputer | Smithsonian Instit…
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Timetoast
The Industrial Revolution timeline | Timetoast timelines

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jesusitareinhart.blogspot.com
key code punch machine - Jesusita Reinhart
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EDN
Hollerith applies for punch card counting m…
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YouTube > WikiAudio
Punched card
YouTube · WikiAudio · 2479 次播放 · 2016年1月22日
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Alamy
HERMAN HOLLERITH (1…
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Sutori
Herman Hollerith

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alamy.com
Hollerith punched card machine hi-res stock photography and images - Alamy
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Columbia University
Early Card Punch Machines
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youtube.com > Nostalgia Nerd
IBM Punched Cards, Hollerith Cards [Inspection] | Nostalgia Nerd
YouTube · Nostalgia Nerd · 11.3万次播放 · 2016年4月14日

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spectrum.ieee.org
The Surprisingly Long Life of the Punch Card - IEEE Spectrum

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