Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 100
Fig. 99 Fig. loo to annul the earths magnetism, leaving them free to act in-dependently, they would set n s N s, as in a magnet, but a slight disturbance would alter the ar-with no external field. N rangement to this form, S N Leakage can also be shown by a small magnetic needle (Figs.99 and loo).…
Electrical engineering · Electric power
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