Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 56
Piccadilly Circus (hexagonal opal shades and12.5-watt lamps). Old Street (Holophane Bowls and 220-Tantalum lamps). … Oval (.bare Tantalum lamps). Bank [City and South London] (enclosedarcs).Fio. 3.—Showing distribution of illumination on various platforms of Tube Stations. low height of 8^ ft. should be avoided.It w ould be noticed that at the BritishMuseum station, where the spacingand wattage of the lamps were…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
