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Title: Comptograph, made by Felt and Tarrant Manufacturing Co., Chi [Go to resource]
Description: Comptograph, made by Felt and Tarrant Manufacturing Co., Chicago License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: adding)
calculating machine (printing
full-keyboardTemporal: 1887-1903 Source: Science Museum Creator: Felt and Tarrant Manufacturing Company Identifier: 1933-627 Go to resource More Like this...
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