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.