Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 444
ross and Hampstead Tube terminus.This is lighted by metal filament lampsin Super lux globes and Benjamin rings,the units being spaced at intervals ofabout 25 feet. A test showed that anillumination on the platform from 0*8—1*2 The second photograph (Fig. 2) showsthe entrance to one of the moving… … Natural photograph ly artificial light. Lumina Bureau Photographic Dept. Entrance to one of the moving stairways at the new Charing Cross (Embankment) Station. ft.-candles were provided between theunits—a figure considerably above the0*25 ft.-candles suggested as the minimumfor main station…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
