"Warning signal" Quotes from Famous Books
 ... red light swung slowly to and fro on the ledge. From the extreme end of the canyon below the Cat's Paw came the crash of a track-torpedo, answered almost instantly by a second, above the break. It was the warning signal to get into the clear. There was a buzz of rapid movement among the laborers. In twos and threes and dozens, a ragged procession of lanterns and torches, they retreated, foremen urging the laggards, until only a single man at each end ...
— The Daughter of a Magnate • Frank H. Spearman |
