Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 186
Fig. 2.—Lamp Testing Laboratory, ElectricalTesting Laboratories, New York (U.S.A.). THE ILLUMINATING EN{;iNEER (junk 1917) 175 … ► Fig. 3.—General view oi Laboratories and Park. National Electric LampAssociation. This A.ssociation. which is controlled by the GeneralElectric Co. (U.S.A.). compri.se.s twenty or more electric lamp factoriesin the States. There are seven large blocks of buildings, situated ina park of 79 acres,…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
