She waved her hand impatiently toward the telegraph instrument.
During this period he began work on various telegraph instruments and systems.
Erm whilst there I learn how to use another sort of telegraph instrument.
Each train consisted of two wagons, equipped with 5 miles of wire and a telegraph instrument.
Easing further along, Larry was startled suddenly by a sharp clicking, only to grip himself, when he recognized it simply as the telegraph instrument.
But already there were people waiting, and already the telegraph instrument on the stage had begun clicking off the returns.
And there are telegraph instruments in the office, along with other memorabilia going way back.
Using his telegraph instrument he communicated with his colleague.
He knew better than to try the telegraph instrument.
If he had ever raised a cairn above the telegraph instrument no sign of it remained now.