The principles underlying radio communication (1922)
United States. National Bureau of Standards, Ould, Richard Sheldon, 1889-, United States. Army. Signal Corps · Washington, Govt. Print. Off. · leaf 107
PlG.^i Fl<^.<i^ =J IHKH^ CircuUr Coil FlQ.Gl ^ … ^oleneiei Md^ncTic Field of vSofenoiW closely with many turns, side by side along the surface of acylinder in a single layer, the coil is called a solenoid, Fig.62. In this case, the magnetic field is nearly uniform for aconsiderable distance near the center of the coil, and thesolenoid has the…
Telegraph, Wireless · Radio
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