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 304
move, clip into two cups of mercury,located one above the other along the axis of the coil. Con-nections are made as indicated, so that the two coils are inseries when connected to an external circuit. The planes ofthe coils should be at right angles to each other. When thecurrent flows through…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
