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Title: Automatic key punch [Go to resource]
Description: Automatic key punch 45 column, round hole, c. 1930 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Punch Temporal: 1930 Source: Science Museum Creator: Powers Samas (maker) Identifier: 1974-558 Go to resource More Like this...
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