The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 192
ormationof the Foucault currents to which solid cores are liable,and which heat them and serve no useful purpose. Andthe disks, being parallel to the lines of force and at rightangles to the currents, are in the best position forelectromagnetic induction. Armatures of the Grammepattern are also… … ABC Fig. 72.hence the wire wound on it should be evenly distributed,and of the minimum quantity and gauge requisite forproper electric induction and resistance. 1/6 DYNAMIC ELECTRICITY AND MAGNETISM. Closed-Circuit and Open-Circuit Armatures.—Armatures wound like the Gramme, in an endless spiral,…
Electricity · Magnetism
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