Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 34
paperand the evidence it afforded of progressin gas lighting. It was encouragingto find illuminating engineering beingapplied by a gas company, and thefurnishing of polar curves for units. There were several points that struckhim, looking at the paper from thestandpoint of a railway lighting… … Fig. 1.—Outdoor Shop Lighting at Enfield, comprising 13 Keith 600 c.p. high-pressure silica cup lamps.
Lighting
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