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Title: hand hole punch for punched cards [Go to resource]
Description: 1920's Powers Samas hand punch (a first attempt at an interpreter/ punch) License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hand card punch Temporal: c1920 Source: Science Museum Creator: Powers Samas (maker) Identifier: 1972-201 Go to resource More Like this...
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