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Title: Facit mechanical calculator, model ESA by Atridaberg-Facit, [Go to resource]
Description: Facit mechanical calculator, model ESA by Atridaberg-Facit, Sweden, with motor drive and instruction book, 1951. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: calculating machine (pinwheel) Temporal: 1951 Source: Science Museum Creator: Atvidaberg-Facit Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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