CONTENTS 



p. 6g — Fulton designs the Clermont, p. 71 — The historic trip of 

 the Clermont up the Hudson, p. 71— Sea-going steamships, p. 73 — 

 Ships built of iron and steel, p. 74— The Great Eastern, p. 76— 

 Principal dimensions of the Great Eastern, p. 78 — Twin-screw 

 vessels, p. 80 — ^The triumph of the turbine, p. 81 — The Lusitania 

 and Mauretania, p. 82 — Submarine signalling, p. 83 — The rescue 

 of the Republic, p. 84 — How the submarine signalling device works, 

 p. 86 — The Olympic and Titanic, p. 90 — Liquid fuel, p. 90 — 

 Advantages and disadvantages of liquid fuel, p. 91. 



CHAPTER III 



SUBMARINE VESSELS 



Slow development of submarine navigation, p. 93 — The first 

 submarine, p. 94 — Description of David Bushnell's boat, p. 94 — 

 Attempts to sink a war vessel during the American Revolution, p. 

 97 — Robert Fulton's experiments, p. 98 — The attack on the 

 Argus by Fulton's submarine, p. 100 — The attack upon the Ramilles 

 in 1 8 13, p. 102 — ^A successful diving boat, p. 103 — The sinking of 

 the Housatonic, p. 104 — Recent submarines and submersibles, 

 p. 105 — The Holland, p. 106 — The Lake type of boat, p. 108 — 

 Problems to be overcome in submarine navigation, p. 109 — 

 Present status of submarine boats, p. iii — The problem of seeing 

 without being seen, p. 113 — The experimental attacks upon the 

 cruiser Yankee in 1908, p. 115 — The possibility of using aero- 

 planes for detecting the presence of submarines, p. 117. 



CHAPTER IV 



THE STEAM LOCOMOTIVE 



The earliest railroad, p. 119 — The substitution of flanged wheels 

 for flanged rails, p. 120 — The locomotive of Richard Trevithick, 

 p. 121 — The cable road of Chapman, p. 123 — Stephenson solves 

 the problem, p. 124 — Versatility of Stephenson, p. 125 — His 

 early locomotives, p. 126 — Stephenson's locomotive of 1825, p. 

 127 — The first passenger coach, p. 128 — The Liverpool and Man- 

 chester Railway projected, p. 129 — Conditions named for testing 

 the competing locomotives, p. 130 — The Rocket and other contest- 

 ants, p. 132 — Description of the Rocket, p. 133 — Improvements on 

 the construction of the Rocket, p. 134 — Improvements in locomo- 

 tives in recent years, p. 135 — The compound locomotive, p. 137 — 

 Advantages of compound locomotives, p. 138 — The Westinghouse 

 air brake, p. 141 — The "straight air brake," p. 143 — The automatic 

 air brake, p. 144 — The high-speed air brake, p. 146 — Automatic 



[iv] 



