Specification covers: lamps for general service; high-voltage, 40-watt, straight filament vacuum lamp in clear bulb; vacuum traction lamps series burning; gas-filled traction lamps series burning; vacuum and gas-filled train lighting lamps; gas-filled bus lamps. (see also review in Engineer, vol. 150, no. 3902, Oct. 24, 1930, p. 463) (price 2s. 2d.)
British standard specification for tungsten filament electric lamps
Brit. Eng. Standards Assn. -- Specifications
1930
59 pages
Article (Journal)
English
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