Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 305
ngliam Corporation tramwaysystem are to be lighted witli some 20,000tP.ntalum lamps diu-ing the next twelvemonths, upwards of 30,000 Wotan lampsare on order on the South African railways,and 125,000 filament lamps are to be usedon the L.C.C. tramways. In additionlamps are being used at Luton,…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
