Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 54
e. light is diffusedor distributed by the enclosing glass globe.(Examples : Alabaster glass spheres andballs.) The above four systems covered prac-tically all methods of lighting except the Wise was open to several objections.A reflector suspended as shown in hisFig. 15 by a drop cord could not… … o 4 Fig. 6.—Drawing Office Lighting.These Semi-indirect fittings have an over reflector (formin?for use under the skylight roof. semi-enclosed unit) 44 THE ILLUMINATING ENGINEER ifeb. 1919) such angle pendants, it would be foundthat glare would be unavoidable throughthe lamps being visible to any…
Lighting
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