CONTENTS. xiii 



CHAPTER II. 



THE ART OF WARMING. HEATING APPARATUS. 



PAGE 



I. Heating by Hot Air 349 



II. Hot Water and Steam Heating Apparatus. Heating by G-as . . . 351 

 8 III. On Fuels . 354 



CHAPTER III. 



VARIOUS APPLICATIONS OF THE LAWS OF THE CONDUCTIBILITY OF HEAT. 



I. Dwellings 357 



II. Clothes 359 



III. Miners' Safety Lamps 361 



IV. Various Domestic Applications of Heat 363 



CHAPTER IV. 



VARIOUS APPLICATIONS OF THE LAWS OF HEAT. 



I. Burning Glasses and Mirrors 365 



II. Compensated Pendulums 369 



III. Distillation 376 



IV. Evaporation of Salt Waters. Water-coolers. Manufacture of Ice in 



Bengal 380 



8 V. Artificial Manufacture of Ice . 383 



CHAPTER V. 



THE STEAM-ENGINE. 



I. The Motive Power of Steam 389 



II. Papin. First Attempts 391 



III. The Boiler, or Steam Generator 396 



IV. Safety Appliances 402 



V. The Principal Types of Steam-boiler* 405 



