Show POWER IN THIS flashlight continued experiments have resulted Reaul ted in development of a really remarkable article from the lie pocket flashlight operated fly two or three dry cells of minute size alie battery searchlight has been steadily improved until remarkable results tire lire obtained some time ago there was devised a searchlight of foot range op on six or eight volts volta more recently a battery searchlight has boon been introduced with a range of 2000 feet up to half a mile operating on alx alx lx volts equipped with a seven and one half inch adjustable focus single shell shelf reflector on a recent photometer test one of these searchlights gave candlepower candle power the combination or of a nitrogen filled tungsten lamp and a correctly designed reflector re nector has worked wonders tor for the battery operated new york herald berald |