Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 305
ture ofthe illumination obtained leadings weretaken in Northmnherland Avenue wherethe lamps are 25 feet high and 160 feetapart. The maximum illumination re-corded directly under the lamps is 2-6foot-candles, the minimum between thestandards is 0-3 foot-candles ; the diver-sity factor is thus 86,… … Fig. :5. Night Photograph, showing lighting conditions inNorthumberland Avenue. Engineer of the Charing Cross and WestEnd City Electricity Supply Co.. by whompermission to publish th s descr pt i<>n hasbeen accorded. PUBLIC GAS LIGHTING INWESTMINSTER.We observe that at the meeting of…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
