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 43
ood illumination on theoutside rows of desks. \\liere artificial light is required tosupplement daylight, the Mazda C-^2daylight lamj) may be used to advantage,because of the manner in which its hghtblends with daylight; about 50% ad-ditional wattage is required for equalilhimination. Ab f…
Electric lighting · Interior lighting fixtures, lamps, and ballasts
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