CHAPTER V
CAPTIVE MOLECULES: THE STORY OF THE STEAM ENGINE
The development of the steam engine, p. 79—The manner in which energy is generated by steam, p. 80—Action of cylinder and piston, p. 81—Early attempts to utilize steam, p. 82—Beginnings of modern discovery, p. 83—The "engine" of the Marquis of Worcester, p. 84—Thomas Savery's steam pump, p. 85—Denis Papin invents the piston engine, p. 88—Newcomen's improved engine, p. 89—The use of these engines in collieries, p. 90—The wastefulness of such engines, p. 92—The coming of James Watt, p. 93—Early experiments of Watt, p. 95—The final success of Watt's experiments, p. 97—Some of his early engines, p. 98—Rotary motion, p. 99—Watt's engine, "Old Bess," p. 101—Final improvements and missed opportunities, p. 102—The personality of James Watt, p. 107.
CHAPTER VI
THE MASTER WORKER
Improvements on Watt's engines, p. 110—Engines dispensing with the walking beam, p. 111—The development of high-pressure engines, p. 112—Advantages of the high-pressure engine, p. 114—How steam acts in the high-pressure engine, p. 116—Compound engines, p. 117—Rotary engines, p. 119—Turbine engines, p. 124—The Turbinia and other turbine boats, p. 125—The action of steam in the turbine engine, p. 126—Advantages of the turbine engine, p. 127.
CHAPTER VII
GAS AND OIL ENGINES
Some early gas engines, p. 133—Dr. Stirling's hot-air engine, p. 133—Ericsson's hot-air engines, p. 134—The first practical gas engine, p. 135—The Otto gas engine, p. 136—Otto's improvement by means of compressed gas, p. 138—The "Otto cycle," p. 139—Adaptation of gas engines to automobiles, p. 140—Rapid increase in the use of gas engines, p. 141—Defects of the older hot-air engines, p. 145—Recent improvements and possibilities in the use of hot-air engines, p. 146.
CHAPTER VIII