Inside Out Library · Explore

Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 61

An illustration from Light and lighting, 1908, leaf 61
out 07 watt per square foot.The average illumination on the stairswas about 05 foot-candle. The essential points to be noted were :(1) That the light was adequatelysoftened so as to cause no inconvenienceto the eyes of people a.scending ; and 40 THE ILLUMINATING ENGINEER. (2) that people descending… … Fig. in—New Booking Hall nt Golders Green Station (not yet open to the pnblic). Theaverage illumination is about 0-5 foot-candle, and the watts per square foot Oi (.approx.). Inthe background may be seen a passage lighted in the manner shown in Fig. .•^. descendinrj stairs that people are apt…

Lighting

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

More pictures from Light and lighting

More like this