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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 84

An illustration from Light and lighting, 1908, leaf 84
Fig. 6.—Ripping Top. THE ILLUMINATING ENGINEER (march, 1920) 73 … Fig. 8.—Middle Holing.

Lighting

Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.

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