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Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 434

An illustration from Light and lighting, 1908, leaf 434
student sits fartherthan 24 feet from this .screen. It ishardly possible to show complicatedtables, but the arrangement answersexcellently for plans and illustrationsnot having a great deal of fine detail.As a matter of fact it may be questionedwhether it is worth while to showcomplicated tables… … FiCi. L—Plan and Elevation of Lecture Theatre, showing the arrangement of the light.The numbers indicate the ilhiniination in foot-candles jirovided on the desk?and demonstration table. Area 25 ft. X 24 ft. 420 THE ILLUMINATING ENGINEER. has shown that, in the case of tablessummarising data of…

Lighting

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

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