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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 403

An illustration from Light and lighting, 1908, leaf 403
candles which is doubt-less ample for all ordinary benchwork. Our third illustration shows a view of alathe which also received light from thesmall luiits, in addition to the generalillumination. Here again the workingillumination was of the order of 10 to12 ft. candles. It will be noticed thatthe… … Fig. 3.—Local lighting of lathe withsmall 100 c.p. units. and in the foreground on the right handside will be seen a pile of cylinders forshells in their initiative stages. Somemeasurements were carried out downi thecentral gangway and values measured onthe floor varied from 1.5 up to 3.5…

Lighting

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

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