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African American History
National Museum of American History
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Search term: guid:ark:/65665/ng49ca746a538f5704be05315f76fa0b4fa
Framed Photograph of a Hollerith Pantograph Card Punch
This gelatin-silvered photograph shows an early version of the pantograph card punch that Herman Hollerith patented in 1890. The photograph is matted, and has a glass cover and wooden frame.
Four places on the photograph are marked in red ink: 2.
For related object, see MA.312896.
Currently not on view
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