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 21
tated as follows: When magnetic linesof force cut or are cut by a conductor, electric charges (i. e., a tendencyto current flow) are induced in the conductor, and currents flow if theconductor forms a closed circuit, the direction of the induced currentsdepending on the direction of cutting. 15.…