Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 199
in dilfcrent direc lioas. Fig. 55 shows illumination curves forthe Meridian lamp as manufactured by the tleiu-nd Klectric Coin-paiiv. Thi-i is a form of rcdcclor laiiij) made in two sizes. 25 or .•<>candh-power. Fig. 5<> gives the di>tril>ution nirves for the… … Fig. 55. Ilhmiiuation Curves for a G. E. Meridian Lamp. TABLE XIVIlluminating Data for Meridian Lamps LightIntensityin Foot-candles No. 1 Lamp (60 Watts) No.2 Lamp(130 Watts) Wattsper Sq. Ft.of AreaLightedwitheitherLamp Class Service Height ofLamp andDiameterof Uni-formlyLightedArea…
Architecture · Building
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