DAYLIGHT FROM ELECTRICITY.
MATCHING COLOURS AT NIGHT. Various attempts have been made within recent years to obtain an artificial light which is near enough in tone to ordinary daylight to enable colours to be matched with accuracy. In most of theso attempts screens were used to filter the light of electric lamps.
Recently, hoi,-ever, a much more prorising solution was solved by a British rtist, Mr Sheriughiini, in conjunction
ith Dr. Martin, of the Optical Section of the Imperial College of Science, London, and Major Klein, m oilicer engaged on camouflage work. The device Is remarkably simple. All the light I'rom a half-watt (or gas-tilled) electric lamp is thrown on to a screen overhead, painted with apparently aimiess ..plashes of various | igments. All the light obtained is that reflected irom litis screen, and the pigments are .arranged to absorb certain portions of Ike electric light so as to make the
•.(•{looted light a close imitation of daylight. Klee trie light (from gas-tilled is rather richer in red and yelrays than dayliglil. and the pig„ents correct tills excess. This mode f lighting hits already been adopted with success in it London picture gal .'r'VV.
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Bibliographic details
Otaki Mail, Volume XXVIII, 9 April 1920, Page 4
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193DAYLIGHT FROM ELECTRICITY. Otaki Mail, Volume XXVIII, 9 April 1920, Page 4
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