Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 154
that the tendency at thepresent time is to give more attentionto the many problems involved, andit is very necessary to encourage tliistfndeney. From an illuminating engineers pointof view, the questions involved indealing with the artificial illuminationof business jjremises where goods liaveto be… … Design for Iiitlirect Lighting Fixture, using Tungsten lamp?. The introduction during recent yearsot the several new forms of illuminants,with their extremely high intrinsicbrilliancy and greatly improved effi-ciency, has practically forced all of usconcerned with the subject to schemehow best to…
Lighting
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