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Title: Photograph in glazed frame, 12" x 10", of the Hollerith keys [Go to resource]
Description: Photograph in glazed frame, 12" x 10", of the Hollerith keystor automatic punch, 1951 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1956-180 Go to resource More Like this...
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