CONTENTS

CHAPTER I. A NEW FRIEND MADE.

CHAPTER II. AN INVENTION DESCRIBED.

CHAPTER III. AN IMPORTANT DECISION.

CHAPTER IV. NED TO THE RESCUE.

CHAPTER V. THE UNLUCKY STORY.

CHAPTER VI. HIS ENEMIES ON THE TRAIL.

CHAPTER VII. NED MAKES AN ENEMY.

CHAPTER VIII. THE PLANS ACCEPTED.

CHAPTER IX. THE ARRIVAL OF TROUBLE.

CHAPTER X. HEINY PUMPERNICK DILL.

CHAPTER XI. THE CONVERTIBLE SAUSAGE MACHINE.

CHAPTER XII. HANK AND MILES MEET THEIR MATCH.

CHAPTER XIII. READY FOR FLIGHT.

CHAPTER XIV. HEINY OVERHEARS THE PLOT.

CHAPTER XV. THE BURGLAR TRAP.

CHAPTER XVI. THE LOST LEVER.

CHAPTER XVII. OFF AT LAST!

CHAPTER XVIII. NED'S TERRIBLE PERIL.

CHAPTER XIX. THE DISGRUNTLED CRONIES.

CHAPTER XX. TOM TO THE RESCUE.

CHAPTER XXI. SALUTING A STEAMER.

CHAPTER XXII. AN OLD FRIEND.

CHAPTER XXIII. THE LOST PLANS.

CHAPTER XXIV. A BAFFLING ROBBERY.

CHAPTER XXV. OFF TO THE FAIR.

CHAPTER XXVI. AN UNLUCKY MISHAP.

CHAPTER XXVII. A DASH FOR LIBERTY.

CHAPTER XXVIII. A DIRIGIBLE IN DANGER.

CHAPTER XXIX. A DARING RESCUE.

CHAPTER XXX. A STRANGE MEETING.

CHAPTER XXXI. NED COMES INTO HIS OWN.

BY

RICHARD BONNER
AUTHOR OF “THE BOY INVENTORS’ WIRELESS TRIUMPH,” “THE BOY INVENTORS AND THE VANISHING GUN,” “THE BOY INVENTORS’ DIVING TORPEDO BOAT,” “THE BOY INVENTORS’
FLYING SHIP,” ETC., ETC.

WITH ILLUSTRATIONS BY
CHARLES L. WRENN

NEW YORK
HURST & COMPANY
PUBLISHERS

Copyright, 1914,
BY
HURST & COMPANY