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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 33

An illustration from Light and lighting, 1908, leaf 33
u-minating engineering to correct thesefaults and deficiencies. The work ofsuch societies as tliis, therefore, hasan important, far-reaching, and usefulpurpose to serve ; it concerns the dailylife of literally every one, for artificialligliting is the one commodity of uni- versal use in every walk… … Fig. 3.—Arrangement of reflectors in 4-lightEj-e-Rest fitting, satisfactory and effective illuminationlias been available. While the intro-duction of tungsten lamps with theirgreat increase in efficiency has givena great stimulus to artificial lighting,yet it should be noted that as much,and even…

Lighting

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

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