blown up more than once, and you remember how we got stuck in the
submarine."

"I should say I did!" exclaimed Ned with a shudder. "I don't
want any more of that. But as between being blown through a roof
and held at the bottom of the sea, I don't know that there's much
choice."

"Well, perhaps not," agreed Tom. "But as for ending my
experiments, I wouldn't dream of such a thing! Why, I've only
just begun! I'll have a silent motor yet!"

"And a non-explosive one, I hope," added Mr. Damon dryly.
"Bless my shoe buttons, Tom, but if my wife knew what danger I'd
been in she'd never let me come over to see you any more."

"Well, the next time I invite you to a test I'll be more
careful," promised the young inventor.

"There isn't going to be any next time as far as I'm
concerned!" laughed Ned. "I think it's safer to sell Liberty
Bonds."

And, though they joked about it, they all realized the narrow
escape they had had. As for Eradicate, once he knew he had not
been the one who caused the damage, he felt rather proud of the
part he had taken in the mishap, and for many days he boasted
about it to Koku.

True to his determination, Tom Swift did not give up his