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Description: | Addo (Maker's logo on the back of the machine). ADO-X (brand name on the front of the machine). Your Office Needs Sculthorps (supplier or service agents label on the front of the machine. This firms address was 136, Wellington Street Glasgow in 1970). UNIVERSITY LIBRARY (written in ball point pen on a selfadhesive label attached to the front of the machine). ADOO MACHINE COMPANY LTD ENGLAND 220-250 V AC 50 c/s 70W DOUBLE INSULATED NOT TO BE EARTHED Mod. 356 (makers trade plate and model on back of the calculator) 440567 (serial number engraved on an aluminium strip on the frame of the machine at the right hand side of the paper scroller under the dust cover). PATENTS PENDING IN U.S U.S. PATENT No 27150496, 28846507, 2985363 (undersie of the machine on the dust panel. MANU Addo Machines Company Limited circa 1960 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 356 is a, repeat addition, pinwheel type electromechanical calculator with a full keyboard input. It was designed for the British market and has two extra digits for ten and eleven pence. It has no revolutions register It is a print only machine that has a fourteen digit output and no accumulator register. This type of machine was sometimes called a comptometer or adder. | 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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