Convention, Volume 2;Volume 37;Volume 50 |
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Halaman 98
... efficiencies . They had thus been able to construct large tungsten lamps which , starting with an efficiency of 0.40 watt per candle - power , have run over 2000 hours , with an average effi- ciency of 0.5 watts per candle over that ...
... efficiencies . They had thus been able to construct large tungsten lamps which , starting with an efficiency of 0.40 watt per candle - power , have run over 2000 hours , with an average effi- ciency of 0.5 watts per candle over that ...
Halaman 100
... efficiencies of 0.5 watt per candle or better . With smaller units the efficiency is not so high . Besides high efficiency , the features of the new lamps which are of advantage are : - ( 1 ) Color of Light The temperature of the ...
... efficiencies of 0.5 watt per candle or better . With smaller units the efficiency is not so high . Besides high efficiency , the features of the new lamps which are of advantage are : - ( 1 ) Color of Light The temperature of the ...
Halaman
... efficiency , high candle - power , 1000 - watt EDISON MAZDA Lamp . We want you to see and feel the bigness of this lamp . We want you to realize its remarkable efficiency , an efficiency of .55 watts per candle , an efficiency that ...
... efficiency , high candle - power , 1000 - watt EDISON MAZDA Lamp . We want you to see and feel the bigness of this lamp . We want you to realize its remarkable efficiency , an efficiency of .55 watts per candle , an efficiency that ...
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