Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 257
d for the pillar-less lamp are as follows : with the re-flector down an increase of light of 70 percent, is obtained. There are no darkshadows caused by the lamp pillar-, aclear beam of light over an arc of 160° isthrown forward. The reflector can, ifnecessary, be placed completely over… … The Ceag Pillarless Miners Lamp. ACETYLENE CANDLE FITTINGS. A catalogue recently received from theAllen-Liversidge, Ltd., illustrates onespecial quality of acetylene lighting,namely, the ease with which candles canbe imitated. It will probably be ad-mitted that the electric candle is notusually a…
Lighting
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