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Description: | 50 V (voltage rating in white paint: old Electrical Engineering Department ). D7 J3 (acid etched on the glass envelope: manufacturers code). DES after SWAN,Joseph,Wilson,Sir. 1878 Newcastle England DES after EDISON,Thomas,Alva. 1879 Menlo Park, New Jersey United States of America MANU Unsigned. circa 1900 Typical construction of early Ediswan carbon filament lamps with extruded carbon. It has a Swan double contact bayonet two pin cap type No B22/25x26 . This item was found in a box of miscellany donated in 1987. On loan to the Physics and Astronomy Department EXIT NUMBER 2092 it is object 10 in display case C Kelvin & 'the New Professors ', in room 470, The Kelvin Building, Department of Physics and Astronomy Glasgow University. | 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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