Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 444
on Garden, London),describing various gas units which wereexhibited at the National Gas Exhibitionat Shepherds Bush in 1913. The list includes both indoor and out-door units, a special featui-e being thestrong and dm-able construction of thelamps and the complete means of adjust-ment provided. AVe… … Fig. 1—The County Lantern, containingspecial Holophane unit for half-watt lamps,designed to give more uniform streetillumination.
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
