Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 219
na 16 IllUHCHATlON Of nORKSHOP BEHCH =H D … t^f rto.tr rot.** cuove or LRHP *nO riTTIHO UitO n uoxTino emeu in no.16 THE ILLUMINATING ENGINEER (aprii.) 205 curves of illumination. The figures are running and people at work. Overgiven in Table X. and the polar curve in bench A the agreement between calcula- Flg\ 17V« i. , tions made from tne…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
