Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 242
?1i i mH;iui. , … Effect of concealed Ii.^hliiii^ with timiislenlamps and Holophane reflectors in tlieSacristy of St. Marys Church, Croydon. side aisles. The illumination on thereading plane in tlieso sections is statedto bo 2 to 2-5 foot-candles. For the above inforinntion niid plinto-gra])h (the lattcn- liaving…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
