Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 237
Vertical Parabolic. Conic. 230 THE ILLUMINATING ENGINEER (may) HALF-WATT LAMPS AT SELFRIDGES. … Photo., by artiiicial light, of a corner of the Provision Department lyrouncl floor) atSelfridges, where the B.T.H. Eye-Kest System of indirect lighting with Half-watt lamps has been installed. All interesting recent installation of■ half-watt or gas-fitted lamps hasbeen carried out at Selfridges…
Lighting
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