Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 438
Fig. 1.—Carpenters shop ; local low pressure units with shades over the benches. … Fig. 2.—Assembling and finishing shop ; low pressure lamps in globesover the benches. Gas Lighting in a Woodworking Shop. 432 THE ILLUMINATING ENGINEER (oct.) A NOVEL CEILING FITTING.
Lighting
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