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Description: | KB.11. (spurious Green and Lloyd catalogue number in white paint on the glass casing, removed). 4-50 (scale divisions on the fixed scale ). 0-65 (in 0.1 divisions on the moveable scale). LORD KELVIN'S PATENTS ELECTRIC BALANCE No. 713 JAMES WHITE GLASGOW & LONDN ( stamped on a the makers trade plate). 713 LEAVE BEAM SUSPENDED (painted in white on the casing). 713 twice and 11 (stamped on the base of the pointer mover indicating that part of this was cannabalised from an earlier instrument p[ossibly by the manufacturer). No. 4 incised on the under side of the slate base. There is also a green and yellow roundel painted on the casing. DES THOMSON,William,Lord,1st Baron Kelvin of Largs. circa 1887 Glasgow, Scotland. MANU James White Glasgow & London circa 1900 16,18 and 20, Cambridge Street, Glasgow, Scotland. DES after OERSTED,Hans,Christian. 1819 Copenhagen. Denmark. This alternating current centi ampere electric balance, 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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