Dracula by Bram Stoker Chapter 7 Page 8

Cliff the new searchlight was ready for experiment, but had not yet been tried. The officers in charge of it got it into working order, and in the pauses of onrushing mist swept with it the surface of the sea. Once or twice its service was most effective, as when a fishing boat, with gunwale under water, rushed into the harbour, able, by the guidance of the sheltering light, to avoid the danger of dashing against the piers. As each boat achieved the safety of the port there was a shout of joy from the mass of people on the shore, a shout which for a moment seemed to cleave the gale and was then swept away in its rush.

Before long the searchlight discovered some distance away a schooner with all sails set, apparently the same vessel which had been noticed earlier in the evening. The wind had by this time backed to the east,