Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 142
phosphorescence.An interesting letter, just received from Dr. J. E. Sheppard, of the EastmanKodak Co., which we contemplate publishing in our next number, suggeststhat the chemical conditions giving rise to these two phenomena areessentially different. The study of such effects may yield much… … ECONOMIES IN LIGHTING IN RELATION TO FUEL SAVING. (Discussion at the Annual Meeting of the Society held at the house of the Royal Society of Arts,18, John Street, Adclphi. London, W., on May loth, 1917.) At the conclusion of the formal businessat the annual meeting of the Society,which was reported…
Lighting
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