Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 469
Electric LightSupplies, a copy of which they have sentThey claim for this holder (of which Acetylene Co., Ltd., have been awarded we have a sample) that it is especiallythe certificate of the Institute of Hygiene easy to wire, has perfect insulation, andfor their acetylene table lamps. a very… … Avenue, London, E.C.), for use withtheir high-pressure inverted incandescentgas lamps. The first of these, which we illustrate herewith, consists of an opalscreen surrounding the upper part of theordinary clear-glass shade. This servesto protect the eyes from the glare of thebare mantle, and at the…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
