Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 165
ng indepen-dent of the ceiling, as ceilings are gener-ally very unsuitable, if not entirelylacking in many works. 200 watt lamp. A comparison of resultsgiven by several types of semi-enclosedfittings is shown in Fig. 25 to illustratethe deficiencies of over-rated fittings ascompared to one of… … \*-Tr -/Ty^P^fff}- vVv4 *^^^^^X^r-\- ^v ^^^^^yi /■// ^S^xSfC^Or^jLr >~fl\ JUYTywY\/S( >j~*~L4Z ^T^^XPv^v^ I \7~ \^\ V\s\ /\ ANGLE CP lANGLE C.P 0 1060 50 : I2SO 10 1120 | 60 1 920 20 1180 70 1 150 30 1280 40 1330 1 AA/rf b\±\^SS?yiW^f^-- ;>.._; CP -. r CP 0 iSSO 50 375 10 550 60 1200 20…
Lighting
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