Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 469
Avenue, London, E.C.), for use withtheir high-pressure inverted incandescentgas lamps. The first of these, which we illustrate herewith, consists of an opalscreen surrounding the upper part of theordinary clear-glass shade. This servesto protect the eyes from the glare of thebare mantle, and at the… … though not in any way obstructing _thepath of the downward rays. The other shade, designed for insideuse, is also of opal glass, but of conicalshape, and it takes the place of theordinary enamelled reflector. No globeis required with this reflector. The Applications of Arc Lighting. Messrs. Union…
Lighting
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