Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 146
ment ELECTRICAL INSTRUMENTS 135 shown in Fig. 98, with a portion of the instrument cutaway so as to show the construction. The permanent magnetis of the horseshoe type and has two pole pieces fastenedto its ends by means of heavy screws. The inner surfaceof each of these pole pieces is cut so it… … Fig. 98 cylinder is mounted on a piece of brass that is fastened tothe two pole pieces, as shown in the figure, there being asmall gap between the cylinder and the pole pieces. Thecoil is mounted so that it can turn about the cylinder. Theforce tending to return the coil to its zero position is…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
