I dare," went on Tom. "You watch, and when it's time, have Koku drop from the stern a long, knotted rope. That will be a sort of ladder, and they can make it fast to their boat and climb up, hand over hand. It's the only plan."
"Good!" cried Ned. "Send Koku to me. Can you manage alone in the pilot house?"
"Yes," came back the answer through the tube.
Koku came back on the run, and was soon tying knots in a strong rope. Meanwhile Ned kept the light on the tossing boat, while Tom, through a megaphone had called to the men to stand by to be rescued. The whistle frantically tooted their thanks.
Koku went out on the after deck, and, having made the knotted rope fast, dropped the end overboard. Then began a difficult feature of airship steering. Tom, looking down through the glass, watched the boat in the glare of the light. Now coming forward, now reversing against the rush of the wind; now going up, and now down, the young inventor so directed the course of his airship so that, finally, the rope dragged squarely across the tossing boat.
In a trice the men grabbed it, and made it fast. Then Tom had another difficult task—that of not allowing the rope to become taut, or the drag of the boat, and the uplift of the airship might have
