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Title: 65 column Powers Samas tabulator, sectioned [Go to resource]
Description: 65 column Powers Samas tabulator, sectioned, cut away, illuminated and slowed to working speed of 10 cards per minute, 1930 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1930 Source: Science Museum Creator: Powers Samas (maker) Identifier: 1980-1641 Go to resource More Like this...
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