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Light and lighting (1908)
Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 38
DtTAiL OF »5coop Eeflectoe Afo777 wIDTw-T JCALE-:J6-I -?r;vT:;r^^Nt^^^7>T^^TT^-rri^^^ ;l^: r& … iCALE ^ -I-O A typical chart, containing data on show uindow lighting, a> prepared b\- theNational X-Rav Reflector Co. of Chicago, U.S.A. 32 THE ILLUMINATING ENGINEER (jan.) BENJAMIN SHOP WINDOW LIGHTINGREFLECTORS.Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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