Ivanhoe metal reflectors and fittings for industrial illumination. Catalog no. 276. (1918)
General Electric Company. Ivanhoe-Regent Works · General Electric Company: Ivanhoe-Regent Works · leaf 10
ets for different typesof reflectors and various heights ofceiling. If the type of reflector hasbeen chosen, and the mounting-heightis known, the proper spacing can beascertained by locating the pointwhere the diagonal line intersects thehorizontal line corresponding to themounting-l^eiglit. The… … 4^ S S /C? /e U /6 /a 20 22 Z4 26 26 30 32 34 36 3d/7y^refp 3paana Between Ouf/efs For l/n/form ///aminotfon. FIGURE 5, Spacing Chart SELECTION OF LAMPS 1600 1500 1400 1300 - 1200 UOO X ^000 \ ^00 Co 800 .«: 0 ^00 ^ 600 500 400 300 2O0 WO * I ^T \\\\ \ \ 1 1 ! 1 If I 1 \ 1 1 1 \ 1 \ . 111 k l\ I 1…
Electric lighting · Interior lighting fixtures, lamps, and ballasts
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