Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 316
of every shows very clearly the remarkable qj^q 1890/98Coit per KW hour 60 Pf. 1899/1903SS Pf. 1904/191240 Pf. Cdrb.in Fild 200 M Nemst Lamps MeUl WireLamp, 19:21903 Fifl.l reduction in cost of electric fightingwithin the last few years. Until theintroduction of the Nernst lamp in 1900electric… … Fig. 2.—View of putting green by daylight.
Lighting
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