“Ahoy, there!” cried Frank, at the top of his voice.
No reply came back.
Indeed, the chances were his voice was not heard.
But he saw the crew of the vessel elevating the muzzle of a gun to bear upon the airship.
Seeing that he had better make his intentions known by actions rather than words, the young inventor hurled a bomb down at the deck.
It struck there and burst with a violent report.
That scattered the men from about the gun, and stopped the work of raising the anchor and sails.
Another bomb wounded several more, and drove the crew overboard, whereupon they took to the land.
“Now send her down, Barney.”
“Can you distinguish my child?” eagerly asked Zamora.