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Title: Comptograph [Go to resource]
Description: Comptograph by Sumlock Comptometer Ltd., serial no. 130574, made by Walther, in West Germany, 1955-1965 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: adding)
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calculating machine (printingTemporal: 1955-1965 Source: Science Museum Creator: Walther B�romaschinen GmbH Identifier: 1986-1066 Go to resource More Like this...
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