Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 536
Fig. 2.—Window fitted with ligiit goods at the same Store, illuminated bv concealedTungsten Lamps in special mirror-glass reflector, Sb^- … Fig. 3.—Corner Windows, coutaiiiiug mainly liglit goods, illuminated by tungstenlamps iu special mirror-glass reflector.
Lighting
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