Altogether the "controls" or communicators numbered thirty-eight.
Admiral Hawarden turned to his communicators, and orders rapped out.
"All right, turn on your communicators and test them," ordered Strong.
Then how shall we understand the errors and confusions of the communicators?
Neither the controls nor the communicators have explained, which is a pity.
Page 120, line 36, read "communications" for "communicators."
I'll get to the Communicators and tell the District that the Board is in charge.
Imprisoned they were, and carefully searched; but they bore no arms, and nothing had been said or thought of communicators.
This may account, to a certain extent, for the differences in the ability of communicators to give proper names.
Communicators were placed at intervals of ten miles, so that any stranded colonist was within walking distance of help.