Chapter XXVII: An Automatic Rifle--A Ball-Bearing Rifle 345

LIST OF ILLUSTRATIONS

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

THE ROMANCE OF MODERN MECHANISM