References in classic literature ?
About a mile from the main camp we encountered their outposts and, as had been prearranged, accepted this as the signal to charge.
After a time the wind hauled fair, and signals were made for the boat.
Quite Ready' is the signal to lower the trap, which we do in the regular theater-fashion.
The flag was run up at half-mast, and, this being the signal of distress, it was hoped that the American steamer, perceiving it, would change her course a little, so as to succour the pilot-boat.
Then, to Clayton's inquiries as to how they had happened to anchor off shore and fire a signal gun, the commander, Captain Dufranne, explained that a month before they had sighted the Arrow bearing southwest under considerable canvas, and that when they had signaled her to come about she had but crowded on more sail.
Before entering it I examined the curtain-cord of the window and found that I had only to release it from its fastening with my fingers for the curtain to fall by its own weight and hide the square of light from Rouletabille--the signal agreed upon.
Then that success, which was already so well known, was officially announced; the favored band who were selected to guard the gates of the fort were detailed, and defiled before their chief; the signal of their approach was given, and all the usual preparations for a change of masters were ordered and executed directly under the guns of the contested works.
And that was plainly the last signal of danger, for the buccaneers turned at once and ran, separating in every direction, one seaward along the cove, one slant across the hill, and so on, so that in half a minute not a sign of them remained but Pew.
In fact, after taking a few drops of wine and a piece of bread, Charles, weary of waiting for death, had suddenly decided to go to meet it and had given the signal for movement.
An hour later, while absorbed in some of my infernal studies, I heard, or thought I heard, my signal answered.
Down the great iron way the huge locomotive rushed onward, leaping and bounding across the maze of metals, tearing past the dazzling signal lights, through crowded stations where its passing was like the roar of some earth-shaking monster.
On a signal given by a cannon-shot each furnace was to give vent to the molten iron and completely to empty itself.