Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 440
r, since each carbon acts as a positive at every otheralternation, and the carbon consumption is nearly the same,^| 375. Cored carbons are always used in alternating currentlamps to secure a sufficient supply of the carbon vapor tomaintain the currents path at the instant the arc is ex-tinguished,… … ig. 382.—Single CarbonAutomatic Feed InclosedArc Lamp. The arc is inclosed in the inner globe and the lamp will burn for 150 hours with one set of carbons. 422 PRACTICAL ELECTRICITY. 379. Arc Lamp Circuits.—Arc lamps are operated fromconstant potential or constant current circuits, and suppliedby…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
