Show KEROSENE V VAPOR AP R L A vaporizing attachment that is in a carburetor is one of the essential features of the now new kero karo sene vapor lamps of the United States lighthouse servIce The first of these lamps to be installed is the near ran range light of the channel in Now New NewYork York harbor In this lamp the kerosene kero kero- sene after r bein being vaporized is burned in a a. mantle mantlo similar to the ordinary gas a mantle mantlo This man mantle tIe which is four inches high and three inches in diame ter has a candle power of The lamp is described with illustration in inthe inthe the December Popular Mechanics Mag- Mag azine |