Modern lighting : examples of its successful application in the industries. (1920)
National Lamp Works of General Electric Co. Engineering Department. · National Lamp Works of General Electric Co. Engineering Department · leaf 19
PLATE EICITT ^ … Data—Plate Eight The Neiv Type or Unit RLM Standard Dome Lamp 10 0 - \v a 11 ]VI a z D A CBowl-Enameled Mounting Height 11 feet above floor71^ feet above work Spacing Distance10 X 10 Average iLLrMiNATiON6 foot-candles
Electric lighting · Interior lighting fixtures, lamps, and ballasts
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
