Inside Out Library

Light and lighting (1908)

Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 179

An illustration from Light and lighting, 1908, leaf 179
remphasised when we consider the greatvariety of distributions obtainable withreflectors and enclosing glassware. Thedesign of modern reflectors has beencarried to a point of great elaboration. (Here slides were shown illustrating thegreater variety in the light distributionfrom various reflectors… … Fig. 10.—Distribution Curve ol typicalreflector. TABLE III. Corresponding Kecord Sheet op Reflector (see Fig. 10), showing LUMEN values IN THE VARIOUS ZONES. Reflector X-RAY No. 555. Lamp Mazda 5-2i-E clear Watta 60-0. Calculated by J. A. H. Reflector No. 555.Holder 2i in. form o.Volts 110-0.Test…

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