Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 22
n (Fig. 7) shows theelectrical engineering laboratory, whichis lighted by bunched filament lamps inHolophane reflectors. The original light-ing was by means of vertical filament THE ILLUMINATING ENGINEER (jan. 1916) 11 lamps, but by substituting bunchedfilament lamps (the lamp in each of theeight… … Fig. 5.—(Juecns Hall, Peoples Palace, showing effect of general lightin;.special overhead platform reflectors off.
Lighting
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