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Description: | underwood 400 made in italy (Maker's trademark and model on the front of the machine). Underwood italian s.p.a MADE IN ITALY (makers trade plate and model on the back of the calculator). U704452 (serial number on bed plate of the mechanism on the underside of the machine seen through a slot in the dust plate). MANU Olivetti-Underwood circa 1960 Ivrea, Italy. DES after LEIBNIZ,Gottfried,Wilhelm. 1671 Mainz, Germany. DES after THOMAS de Colmar, Charles,Xavier,Chevalier. 1818 44 rue Chateaudun, Parios, France. This Underwood 400 is a, pinwheel type four rules (repeat addition and multiplication) electromechanical calculator with a 10 digit keyboard input and no revolution register. This sterling version has extra keys for ten and eleven pence along with a quarter, half and threequarters It is a print only machine so has no accumulator register. It has a 14 digit output. These machines were based on the Olivetti elettrosumma series sold under the Underwood brand name after the companies merged in 1959. | 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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