Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 83
tering, in-dicating the nature of the performance,can be rendered on this outer glass, soas to appear black against the brightlyilluminated background by night. Owingto the manner in which every componentpart is standardised it is possible tosubstitute a new picture in a few minutes.A feature is… … Plan of Wiring Arrangement- I, I.. Lamps; in. Flasbei Baa : 3, Bocket; P, Ping;CS lock Switch; DP, Double Pale Switch; F, Fuse. surrounded by a coil of fine wire. Onexpansion the edge of the metal cylindercomes in contact with an adjustablemetal point, short-circuiting the coil,after which the…
Lighting
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