CONTENTS. 



CHAPTER VI. 



THE STEAM-ENGINE. THE DRIVING MACHINERY. 



PACK 



I. The Cylinder ..... ;,-.-' . . 411 



II. Distribution of the Steam 413 



III. Expansion of the Steam 416 



IV. The Transmitting Machinery 420 



V. Regulators 422 



CHAPTER VII. 



VARIOUS TYPES OF STEAM-ENGINES. 



I. Watt's Beam-engine 425 



II. Steam-engines with Direct Motion 427 



III. Rotatory Steam-engines 430 



IV. The Power of Steam-engines 433 



V. Historical Sketch of the Steam-engine "438 



VI. Watt and the Steam-engine 443 



CHAPTER VIII. 



STEAM NAVIGATION. 



I. Marine Engines 445 



II. Paddle Steamers 448 



III. Screw Steamers 450 



IV. Marine Boilers and Engines 454 



CHAPTER IX. 



THE LOCOMOTIVE. 



I. Steam on the Railways. The First Locomotives 461 



II. The Modern Locomotive 466 



III. The Principal Types of Locomotives ' 470 



IV. Compressed-Air Locomotives 473 



V. S team-Carriages, or Road-Locomotives 477 



VI. Portable Engines ...... .484 



VII. Various Applications of Steam ..... . W - 487 



VIII. Statistics of Steam-engines ,' , . . .'-'* '* 4()8 



IX. Explosion of Steam-boilers . . , . '.. . . ; -< '. .' . . 500 



