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Title: Comptometer, 8-column model E for decimal currency, controll [Go to resource]
Description: Comptometer, 8-column model E for decimal currency, controlled-key duplex machine, no. 59111, with metal cover, by Felt & Tarrant License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: adding)
calculating machine (full-keyboardTemporal: 1914 Source: Science Museum Creator: Felt and Tarrant Manufacturing Company Identifier: 1914-126 Go to resource More Like this...
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