Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 187
. No other lights would be required, andeven the pilot light might be kept in oneof the reflectors and shed a sufficientlight all over the room, or a concealedlight used, as Fig. 9. Another method more in favour abroadthan here is that of projected beams oflight converging on the table fromseveral… … Fig. 8.—Plan showing Table lit by Project or Tubes. conditions I have laid down is to lightthe room entirely from the outside (seeFig. 5). Such a daylight arrangementas I have described would afford everyfacility for four or more clusters ofpowerful gasfilled lamps enclosed inwaterproof parabolic…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.