Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 208
27a. 30a. 33a. 36a. 39a. 42a. 45a. 48a. 57a. 54a. I. 0-168 0113 0-0714 0-0511 0-0287 0-0198 0-1441 00107 00079 00045 IT. 0-930 0-857 0-732 0-561 0-390 0-229 0-168 01135 00742 0-049S III. 017 0-253 0-390 0-55 0-71 0-856 0-925 0-856 0-710 0-550 IV. 0-168 0-109 0-0709 0-048 0-0287 00201 00142 0-00985… … FEET FROM CENTRE OF ROOM.- FiaS ILLUMINATION ON LINE aL FIGr.l. OBSERVED — FULL LINECALCULATE D-POrTED LINE i\ % ■—.^ <* *>^ ^ \ >». a >* a S ■ 0 FEET FROM CENTRE OF ROOM FIG4 ILLUMINATION ON LINE d FIG I OBSERVED—FULL LINECALCULATED — DOTTED LINE 194 THE ILLUMINATING ENGINEER (april)…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
