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Description: | KGG.1.(Green and Lloyd. 1970 catalogue number). 130 (Kelvin bequest number in red varnish). SIR W. THOMSON'S PATENT NO 9 J. WHITE GLASGOW (makers trade mark engraved on the body of the magnetometer). 40-0-40 (tangent scale on the edge of the magnetometer mirrop). RES. 10140 OHMS 9094 YDS C. WIRE CONVNS 31300 TEMPR OF COIL 15 (degrees) c (printed on the boxwood strapping on either side of the V groove magnetometer guide). 12 35 1 2 4 8 9.3 (two scales printed on the boxwood strapping on either side of the V groove magnetometer guide). MANU J. White. circa 1881 241, Sauchie hall Street or 16, 18 and 20, Cambridge Street, Glasgow Scotland DES THOMSON,William,Lord,1st Baron Kelvin of Largs. 1881 DES after SCHWEIGGER,Johann,Salomo,Christoph. 1820 Halle, Germany. This graded potential galvanometer was introduced after 1881 to replace the paddle wheel galvanometer. It consists of a magnetometer comprised of four short steel permanent magnets forming two astatic pairs set in an aluminium casing which forms the end of an aluminium pointer. The magnetometer slides in a groove in the wooden base and it is most sensitive when closest to the coils at either end of the base. | 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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