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Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 119
1-Fig. 29.—Heppkwhite fitting. Fig. 30.—Chippendale Lantern. ENGLISH EIGHTEENTH CENTURY. THE ILLUMINATING ENGINEER (makoh) 113Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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