CHAPTERPAGEI.A New Friend Made5II.An Invention Described15III.An Important Decision23IV.Ned to the Rescue33V.The Unlucky Story43VI.His Enemies on the Trail54VII.Ned Makes an Enemy62VIII.The Plans Accepted71IX.The Arrival of Trouble82X.Heiny Pumpernick Dill91XI.The Convertible Sausage Machine98XII.Hank and Miles Meet Their Match106XIII.Ready for Flight113XIV.Heiny Overhears the Plot124XV.The Burglar Trap132XVI.The Lost Lever150XVII.Off at Last!161XVIII.Ned’s Terrible Peril169XIX.The Disgruntled Cronies179XX.Tom to the Rescue187XXI.Saluting a Steamer194XXII.An Old Friend202XXIII.The Lost Plans211XXIV.A Baffling Robbery220XXV.Off to the Fair227XXVI.An Unlucky Mishap237XXVII.A Dash for Liberty248XXVIII.A Dirigible in Danger258XXIX.A Daring Rescue269XXX.A Strange Meeting277XXXI.Ned Comes into his Own283
The Boy Inventors’ Electric Hydroaeroplane.