Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 312
laige cottonmills have adopted artificial silkmantles, which are held to be morereUable and permanent than cottonfibre. Other Illuminant.s in the Field.Sundry experiments have been at-tempted with electric arc-lamps in fully distributed there is much to besaid in their favour. Time and exjDeriment… … Fio. 6.—Cotton Mill jlliimiaatei by incandescent gas mantles. Iliotograph taken at night. opal or frosted glass ; but unduly dense value as compared ^\^\th earlier illu shadows must be avoided, and a type in minants. Manufacturers generally are which flickering occmied could not disposed to halt at…
Lighting
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