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Title: A sectioned Sinclair Executive pocket calculator, 1972. [Go to resource]
Description: Sinclair Executive Electronic Pocket Calculator License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electronic calculators
calculatorsTemporal: 1972 Source: Science Museum Creator: Sinclair Radionics Limited Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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