| | PAGE |
| A CARVING MACHINE | Frontispiece |
| MEASURING MACHINES | 34 |
| A CASH REGISTER | 45 |
| LATHE TURNING A BIG GUN | 59 |
| LATHE FOR BORING 16-INCH GUN | 65 |
| A STEAM HAMMER | 72 |
| A HUGE HYDRAULIC PRESS | 82 |
| A PEDRAIL TRACTION ENGINE | 108 |
| GREAT GAS ENGINE FOR BLAST FURNACES | 128 |
| MOTOR-CAR AND MOTOR-BOAT | 151 |
| A MOTOGODILLE | 156 |
| A MOTOR LAWN MOWER | 182 |
| UP-TO-DATE FIRE BRIGADE ENGINES | 186 |
| HOISTING A HEAVY GUN ON BOARD MAN-OF-WAR | 204 |
| FIXING A RAM TO A BATTLESHIP | 228 |
| A TRIPOD CRANE | 237 |
| MODERN DIVING APPARATUS | 245 |
| COALING AT SEA | 271 |
| A TRANSPORTER BRIDGE AT BIZERTA | 278 |
| A CANAL LIFT | 289 |
| AN AMERICAN CUTTER AND BINDER | 322 |
| A MOTOR PLOUGH | 327 |
| GIRL CARVING BY MACHINERY | 343 |
| THE REXER GUN | 352 |