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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 239

An illustration from Light and lighting, 1908, leaf 239
B.—Showing Screen. … C.—Showing back of case opened and detailsof instrument. THE ILLUMINATING ENGINEER (dec. L92i) Cosmos Gasfilled Type

Lighting

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

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