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Description: | Addo-x (Maker's logo on the front of the machine). Mod. 148 (model of machine punched into aluminium strip on top of the calculator) V87438 (serial number engraved on aluminium strip on top of the machine). ADDO LIMITED SALES & SERVICE 47-51 WORSHIP ST E.C.2. MONarch 9791 (distributer's trade plate onthe back of the machine). ADDO MACHINE Co. LTD CIRENCESTER GLOS. MADE IN ENGLAND (makers trade plate embossed in back panel of the machine) ADDO SWEDEN (embossed on the dust plate on the underside of the machine).
MANU Addo Machine 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 148 is a, repeat addition, pinwheel, four rules, type mechanical calculator with a 12 digit keyboard, no setting register and no revolutions register. It is a print only machine that has a 10 digit output. The keyboard is specially designed for the British market and has two extra keys for 10 and 11 pence. The machine appears to be an evolution of the first ten keyset machine introduced by Addo in 1935. This type of money totaller 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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