The Boy Inventors' Diving Torpedo Boat

“Why, the White Shark surely is a wonderful craft!” exclaimed Jack.— Page 24.
RICHARD BONNER AUTHOR OF “THE BOY INVENTORS’ WIRELESS TRIUMPH,” “THE BOY INVENTORS’ VANISHING GUN,” ETC.
ILLUSTRATED BY CHARLES L. WRENN
NEW YORK HURST & COMPANY PUBLISHERS
Copyright, 1912 BY HURST & COMPANY
The Boy Inventors’ Diving Torpedo Boat
“What’s the trouble?”
“I don’t know. Seems to me that the car is running away.”
“It surely does. Gracious! Feel it lurch then?”
As he spoke Jack Chadwick, a good-looking, clean-cut lad of about seventeen, sprang to his feet. His example was followed by his cousin, Tom Jesson, a youth of his own age.
But the trolley car, at the same instant, gave a bound and a side jump that hurled the boys against each other.
Simultaneously the motorman turned his head and gave a frightened shout: