Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 293
A NEW STREET LIGHTING UNIT. Great interest attaches to the questionof new street lighting equipment nowthat the end of the war has come. Muchof the street lighting equipment in exist-ence before the war is obsolete, and it i<anticipated that the half-watt type will … substantial cast iron construction, whichis weather and storm proof, and is ad-justable so that varying sizes of lampscan be fitted and adjusted in locus in therefractor. The lantern is equipped withthe latest type of Holophane prismaticbowl (or hand) refractor which providesthe most effective…
Lighting
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