Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 444
Fig. 1—The County Lantern, containingspecial Holophane unit for half-watt lamps,designed to give more uniform streetillumination. … Fig. 2.—Another Street Lighting Globedesigned to give even illumination forstreet lighting. The opal glass coneseen at the base of the globes servesthe purpose of deflecting rays to theparts of the street most remote fromthe lamp.
Lighting
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