"The cables cut!" exclaimed the German, and his voice indicated anxious solicitude.
"Or else filed," went on Tom easily, with a warning glance at Ned. "But I dare say they were old cables, that had been used on other work, and may have become frayed. Everything is safe now, though. New cables were lashed on this morning."
"I am glad to hear it. It would be a—er—ah, a national calamity to lose so valuable a gun, and the opening of the canal so near at hand. I am glad that your invention is safe, Herr Swift," and he smiled genially at Tom and Ned.
"What did you shut me off for?" asked Ned, when he and his chum were alone in their stateroom again,
"Because I didn't want you to make any breaks before him," answered Tom.
"Then you suspect"
"I suspect many things, Ned, but I'm not going to show my hand until I'm ready. I'm going to watch and listen."
"And I'll be with you."
But no further accidents occurred. There were no more storms, no attempt was made to meddle with Tom's powder, and in due season the ship arrived at Colon, and after much labor the great gun, its carriage, the shells and the powder were
