sentences:  "Winslow" marked shoal water to "Wilmington" portside and, upon reaching a point about from the city, sighted a small, gray steamer moored alongside the wharf.The torpedo boat received orders to move in closer to determine whether or not the vessel was an enemy warship.By 1335, "Winslow" reached a point approximately from her quarry when a white puff of smoke from the Spaniard's bow gun signaled the beginning of an artillery duel which lasted one hour and 20 minutes.