Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 37
f rod. Theadjustment of the reflector has no effecton the flexible cord and no provisionneed be made for taking up slack. It is proposed to issue with each canopya label giving particulars of standardpositions for various Holophane reflectors,and a measure in inches to aid the userin making… … Fig. 1.—Showing pendant fitting equipped withHolophane Adjustable Canopy.
Lighting
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