Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 336
al effectof an electric current, r 96. 302. Action of the Coil.The action of the automatic Fig. 286.—Students Induction Coil as a interrupter USed Oil indllc-SparkCoil. tion coilg ig shown in pig 285. The current from the battery flows through the soft ironpivoted armature, A, free to move, to the… … 318 PR A CTIOAI ELECTRICITY. minates in apiece of platinum wire and there is also a piec*ot sheet platinum fasten,,! to the vibrator arm at the poin «,.con tart with the screw C. Platinum is used to prevent 1oxidation due to the spark at the contact points. The intantthe current Hows through the…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-156-63.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-716-417.webp)
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-155-62.webp)
