Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 36
Fig Results of breaking bar magnet in a number of parts. will be found to be a magnet with a north and a south pole,as shown. This experiment can be easily made by mag-netizing a hack-saw blade and then breaking it into severalpieces. Each piece will be found to be a magnet. If theparts are placed… … Fig. 20.—Results of placing together parts of magnet, Fig. 19. is one conclusion to draw from this fact, and that is, if themagnet is broken up into infinitely small pieces, each piecewill be a magnet with a north and a south pole. Theory of Magnetism.—There are many theories of mag-netism, but the…
Electric machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
