- Back
-
Title: Comptometer, manual operation, sterling keyboard with 13 dig [Go to resource]
Description: Comptometer, manual operation, sterling keyboard with 13 digit display, ser. no. 303421, by Felt and Tarrant License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: adding)
calculating machine (full-keyboardTemporal: 1930-1940 Source: Science Museum Creator: Felt and Tarrant Manufacturing Company Identifier: 1974-507 Go to resource More Like this...
[Edit] - Back