Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 171
tings, andhave considerable possibilities with thehigh efficiency of the gas-filled lamp. Fig, 38.—Elevation and Bectional viewBradict fittings for indirect lighting. tend to eliminate the fitting as such, andclear the ceiling and interior of allexposed lighting equipment. Endirecllighting…
Lighting
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