Electric lamps.

Discharge lamps for photography and projection Bourne, Harry Kebbell 1948 Lamps and lighting prepared by members of the research and engineering staff of British Lighting Industries, ltd., and the technical staffs of the associated companies: Atlas Lighting Limited and General editors H. Hewitt and A. S. Vause 1966 Modern electric lamps Clarke, D. A. 1952 Practical lighting design with LEDs Lenk, Ron 2017 Time-saver standards for architectural lighting Steffy, Gary R. 2000