Poole, Cecil Percy, 1863- · New York : McGraw · leaf 78
eat .................................. 3! M — Axial width of magnet yoke ................... . .......... 8r75 Fig. 8 1 shows the cross-section of a magnet core, from which it willbe seen that the corners of the core are rounded off. The radius of the TWO HORSE-POWER FOUR-POLAR MOTOR 69 curve here… … FIG. 78 its center true with the lathe centers, and the boring done at one settingby means of a boring bar and tool. Both pedestal seats should be cutbefore the frame is moved from its original position. The magnet must be made of the very best grade of iron obtainable;use Scotch pig if possible.…
Electric generators -- Design and construction · Electric motors -- Design and construction
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