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 183
r ^^attracted by another magnetor solenoid,the polarity beingas explained for a single con-volution, T| 172. 176. Rules for Deter-mining Polarity of a Sole-noid.—Clasp the solenoid,or helix, in the right handso that the fingers pointaround it in the directionthat the current flows. Theoutstretched… … -Ampere Frame Stand withCoils. The movable coils are poised on needle pointsand the terminals dip in concentricmercury cups. current around the coil when the ELECTROMA GNETISM. 165
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
