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Description: | KB.7. (Green and Lloyd catalogue number in white paint on the frame of the lid). 40-650 (scale divisions on the fixed scale ). 0-64 (in 0.1 divisions on the moveable scale). LORD KELVIN'S PATENTS ELECTRIC BALANCE No. 1103 KELVIN & JAMES WHITE LTD GLASGOW & LONDN ( stamped on a the makers trade plate). 1058 (serial number stamped on the casing). 1103 and 15 (stamped on the base of the pointer mover indicating that this was cannabalised from an earlier instrument by the manufacturer). DES THOMSON,William,Lord,1st Baron Kelvin of Largs. circa 1888 Glasgow, Scotland. MANU Kelvin & James White Ltd Glasgow & London. between 1904 and 1914 16,18 and 20, Cambridge Street, Glasgow, Scotland. This alternating current electric balance range 1-600 amps, has two moving coils suspended at either end of a balance beam they are each acted upon by two fixed coils one above and one below connected with opposite polarity to each other to compensate for hygroscopic temperature and other effects. The coils are in the form of copper strands rather than the ribbons as in the D.C. instrument. | 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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