. Light distribution and tests of new types of incandescent lamps. do AZIMUTH WHEN NEW toAZIMUTH ON ^00 HOURS DIBECT CURRENTboAZIMUTH ON 600 HOURS DlRET CURRENT ? VERTICAL DISTRIBUTION OF CAhlDLE-POWEia or CARBON LAMPPlotredIn Per Cent Of Mean horizontal Candk-Power Bo. O^AZIMUTH WHEN NEW O^AZ/MUTh ON^OO H 0 U ^DIRECT CURRENT 0^ AZIMUTH ON 600 /iOUfi6 D/ffECT CUHPEINT VERTICAL D16THIBUTfON OF CANDLEPOWER or TANTALUM LAMPF lotted In Fer Cent Of Mean H or/zontcl C ondle-Power

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