Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 357
Fig. 32.3. Induction coil (for example, No. 1(3), which is connected into the circuitof a battery thiough the contact point at the end of the screwd; a secondary coil s surrounding the primary in the mannerindicated in the diagram and consisting generalh of between30,000 and 1,000,000 turns of No.…
Physics
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