Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918)
Robison, S. S. (Samuel Shelburne), b. 1867, United States Naval Institute, Todd, David Wooster, Hooper, Stanford Caldwell · Annapolis, Md. : The United States Naval Institute · leaf 25
ess telegraphy,but, before proceeding with this subject, it is desirable to consider morefully the action of A B on C D; because the creation of electric currentsby moving or varying magnetic fields, and vice versa, is the basis ofindustrial electric power—of that used in wireless telegraphy as… … Fig 22. In fig. 11, C D is shown parallel to A B. ^x If C D is slowly revolved around its own center ^5-r^^ ^^^^ as an axis the effect on it of making, breaking,,?/crtffC-^^i^^^f^mF^, or changing the current in A B will be found todecrease until C D is at right angles to A B,,|^ when it will…
