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Description: | ADDO-X (brand name on the front of the machine). M47E-S550 -804280 (model and serial number on aluminium strips on the printer cover). MANU Addo Machines Company Limited circa 1955 Cirencester, Gloucestershire, England DES after LEIBNIZ,Gottfried,Wilhelm. 1671 Mainz, Germany. DES after THOMAS de Colmar, Charles,Xavier,Chevalier. 1818 44 rue Chateaudun, Parios, France. This Addo-X M47E-S550 is a, repeat addition, pinwheel type electromechanical calculator with an 12 digit keyboard input. This indicates that it was developed for the british market. It has no revolutions register It is a print only machine that has an 11 digit output and no accumulator register. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | SCIENTIFIC COLLECTION : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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