This torpedo lamp is mounted on the end of a rod for examining the interior of automobile torpedos and is made long and ... etc., and for lighting binnacles and the mechanical telegraphs that flash orders simultaneously to all parts of the big ship. ... There are two ways of using these 10 volt lamps on ordinary 110 volt lighting circuits; either by connecting a number of them (10 to 12) across the circuit inanbsp;...
|Title||:||Popular Electricity and the World's Advance|
|Author||:||Henry Walter Young|