Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 43
ghted by standard Wotan lamps inAlbalux ceiling fittings. 36 THE ILLUMINATING ENGINEER (jax.) HOLOPHANE GLASSWARE FOROUTSIDE LIGHTING. A NEW catalogue just issued byHolophane Ltd. descriloes some entirelynew fittings for use with Half-Wattlamps, and designed for street and outsideshop lighting. We… … Fig. 1.—Cross section of HolophaneRefractor Globe, showing course ofrays through the prisms. elements mounted one inside the otherso as to have the desired distributing-effect on the light, and yet to presenta smooth surface on both sides. Byreason of this smoothness the unit iseasy to clean and…
Lighting
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