CONTENTS 



PAGE 



I. FAMOUS BRIDGES ... 9 



II. LIGHTING LONDON . . 23 



III. A LOCOMOTIVE THAT FEEDS 



ITSELF . . . 33 



IV. TUNNELS AND THEIR MAKING 37 

 V. BY ROAD AND RAIL . . 48 



VI. FLOATING DOCKS . . 55 

 VII. SOME TUNNELLING FEATS . 58 

 VIII. THE EVOLUTION OF THE TELE- 

 PHONES ... 68 

 IX. THE SPEED BOAT . . 81 

 X. THE RIVER TRAINS . . 83 

 XI. SPEED AND THE ENGINEER . 92 

 XII. THE MARVELLOUS TELEPRINTER 102 



XIII. THE WELL AND CANAL . . 104 



XIV. THE RAILPLANE . . .109 

 XV. THE HUMAN SALAMANDERS . 118 



XVI. THE ROMANCE OF THE BARRAGE 124 



XVII. A CHALLENGER OF THE STEAM 



LOCOMOTIVE . . . 133 



