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Description: | Hunterian Museum G.1988.251.(typed on spirit gummed label, removed),E.E. (in white paint on lid of box), HOLOPHANE-EDGCUMBE AUTO-PHOTOMETER (makers trade plate on lid of box), E.E. (in white paint on the meter) Three scales, scale A 0-3 in 0.1 divisions of a foot candle, scale B 0-30 in unit divisions of a foot candle, scale C 0-3150 in 5 unit divisions of a foot candle ( in black on the dial of the meter). FOOT CANDLES HOLOPHANE EDGCUMBE AUTO-PHOTOMETER EVERETT EDGCUMBE LONDON MADE IN ENGLAND No. 480980 (makers trade name on dial of the meter),HOLOPHANE EDGCUMBE No. 480980 (on makers trade plate on the selenium photo-detector casing). E.E. (in white paint on the selenium photo-detector casing). MANU Everett Edgcumbe. before 1956 London England DES after BECQUEREL,Alexander,Edmond. 1839 Paris, France DES after SMITH,Willoughby. 1869 Atlantic Ocean, between Brest and Duxbury Massachusets France-The United Sates of America This instrument was used for direct measurements of the intensity of light sources as well as the illumination of surfaces and surface reflection. It is not uniformly sensitive over the visible spectrum and allowances for this must be made for light sources of varying colours. | 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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