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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 375

An illustration from Light and lighting, 1908, leaf 375
careful calculation. Four horizontal illumination in the chancelis 2 foot-candles. The minimum ver-tical illumination is IJ foot-candles,and. of course, tliis varies accordmg tothe proximity of the lights. Figs. I and 2 are rei^roductions ofuntouched night jjliotographs of thecliancel and sanctuarj… … Fic;. 3.—St. Peters Church. Weston Favell, Xorthampton (.Messrs. Law & Harris, Northampton,Architects). tJntouched photograph taken by artilicial lisht shDwin?; interior lighted byadapted wrought iron oil lamp fittings, ecjuipped with Mazda Lamps iu Holoi)hane pines. batteries (two on each…

Lighting

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

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