Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 44
Pig. 1.—A recent installation with Holophane reflectors in a Church in the GasLight and Coke Cos. district. … :FlG. 2.—Showing the lighting of the Big School at Haileybury College with16 in. Holophane Reflector Hemisphere Units used with 300 candlepowerlow-pressure burners. 34 THE ILLUMINATING ENGINEEK (tan. 1922) 350 x 2 x 3-142/4-84 = 454 lumen-hoursper centi-therm (approx.). Now this is the point. This…
Lighting
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