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 23
PLATi: MNK … Data—Plate Ten Type of Unit Metal-Cap Diffuser Lamp 200-watt ^NIazda CClear Mounting Height 10^9 feet above floor Spacixg Distance 10 ft. X 10 ft. 8 in x\vEKAGE Illumination9 foot-candles Where the work is being done on glossysurfaces or polislied metals, it is essentialthat the light be well…
Electric lighting · Interior lighting fixtures, lamps, and ballasts
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