Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 206
Fig 8—IlIumiLation of ComposiDg Frames—AiraDgenient in single … Fig. lo.-iiiuiiiiuaUjii ul Iliuting Machines at Messrs. Eyre and Spottiswoodes. 178 THE ILLUMINATING ENGINEER. II urainatioii. Area of Foot-camlles. Works. sq. ft. Max MiD. Average Messrs. Cassell ic Co 33 14-0 4-0 8-4 Messrs. Matliie- son & Sons ... 10-S 7-7 2-8 4G5 Messrs. Mathie- son &…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
