Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 238
de in one end ofthe tube and an ironanode in the other end.Electric current is fedinto the lamp through asuitable ballast resist-ance to two platinumwires passing throughthe tube to the two elec-trodes. The lamp oper-ates on 115 volts directcurrent and takes about6 amperes. At startingFIG.… … INCANDESCEIVT ILLUMINANTS 217 --J lamp] S ^ •«• 1 ^ ^WWH ^ ^ QUICK-BBEAK SWITCH < RESISTANCE STARTING [... \ BAND 1F^ -O)000000fl]L< 1 V ) — INOUCTANC&.COIL Fig. 279. — Circuits of Cooper-Hewitt Tube. a momentary high potential from an induction coil; but thesimplest and most satisfactory…
Electricity · Electrical engineering
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