Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 409
are being more suitablefor the purpose in view. 394 THE ILLUMINATINC, E^GJNEER A Modern Semi-Indirect Gas Lighting Installation. Semi-indirect gas lighting is evidentlyreceiving notice in the States. Thefollowing illustrations^ taken from anarticle by Mr. R. F. Pierce in GoodLightmg (the… … Fig. 1.—Semi-indirect gas fixture. of design. Fig. 3 represents a living-room with a slightly more elaboratefitting. A test of illumination wascaiiied out in this room. The fitting.;contained two inverted gas lamps.A set of readings was first taken withboth ]amj)s on ; one lamp was thenturned out,…
Lighting
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