CHAPTER PAGE
I. One Kind Of Wireless 3
II. An Original Emergency Battery 24
III. A Tinker Who Made Good 38
IV. The Other Tinker Also Makes Good 54
V. An Electrical Detective 68
VI. Jack Has His Adventure 86
VII. A Race Through The Flames 102
VIII. The Secret Telegram 117
IX. Jack Plays Reporter, With Unexpected Results 132
X. A Runaway Train 146
XI. The Haunted Station 163
XII. In A Bad Fix, And Out 180
XIII. Professor Click, Mind Reader 198
XIV. The Last Of The Freight Thieves 225
XV. The Dude Operator 246
XVI. A Dramatic Flagging 262
XVII. Wilson Again Distinguishes Himself 279
XVIII. With The Construction Train 295
XIX. The Enemy's Hand Again, And A Capture 310
XX. A Prisoner 325
XXI. Turning The Tables 337
XXII. The Defense Of The Viaduct 357