Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 124
s ^ TRANSMISSION 99- placed flows back into its original position, but in additionto this return of the displaced water, a displacement waveis sent out in all directions. The case with the radio antennais quite similar, the current flowing into the antenna pro-duces an electromagnetic and…
Radio
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
