Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 172
out by Schweigger, whoconstructed a intiltiplier of many turns of v/ire. A suit-ableframeof wood,, brass, or ebonite, is prepared toreceive the wire, which must be insulated, or coveredwith silk, or cotton, or guttapercha, to prevent theseparate* turns of the coil from coming into contact witheach… … wires lie in the magnetic meridian. The greater the number of turns the morepowerful will be the mag-netic deflection producedby the passage of equalquantities of current. Butif the wire is thin, or thenumber of turns of wirenumerous, the resistancethereby offered to the flowof electricity may…
Electricity · Magnetism
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