Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 334
ite core con-sisting chiefly of carbon and fluoride of calcium,sometimes reaches an efficiency as high as .27 wattper candle power. It givesan excellent yellow light,which penetrates fog well.344. The arc light auto-matic feed. Since the twocarbons of the arc graduallywaste away, they would… … Fig. 295. Mechanismof a direct-current in-closed arc lamp
Physics
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