Chapter III: Section I: James Watt and His Inventions 79

James Watt, his Birth and Parentage, 79; his Standing in
School, 81; he learns his Trade in London, 81; Return to
Scotland and Settlement in Glasgow, 82; the Newcomen Engine
Model, 83; Discovery of Latent Heat, 84; Sources of Loss in the
Newcomen Engine, 85; Facts experimentally determined by Watt,
86; Invention of the Separate Condenser, 87; the Steam-Jacket
and other Improvements, 90; Connection with Dr. Roebuck, 91;
Watt meets Boulton, 93; Matthew Boulton, 93; Boulton's
Establishment at Soho, 95; the Partnership of Boulton and Watt,
97; the Kinneil Engine, 97; Watt's Patent of 1769, 98; Work of
Boulton and Watt, 101; the Rotative Engine, 103; the Patent of
1781, 104; the Expansion of Steam--its Economy, 105; the
Double-Acting Engine, 110; the "Compound" Engine, 110; the
Steam-Hammer, 111; Parallel Motions, the Counter, 112; the
Throttle-Valve and Governor, 114; Steam, Vacuum, and Water
Gauges, 116; Boulton & Watt's Mill-Engine, 118; the Albion Mill
and its Engine, 119; the Steam-Engine Indicator, 123; Watt in
Social Life, 125; Discovery of the Composition of Water, 126;
Death of James Watt, 128; Memorials and Souvenirs, 128.

SECTION II.--THE CONTEMPORARIES OF JAMES WATT 132

William Murdoch and his Work, 132; Invention of Gas-Lighting,
134; Jonathan Hornblower and the Compound Engine, 135; Causes
of the Failure of Hornblower, 137; William Bull and Richard
Trevithick, 138; Edward Cartwright and his Engine, 140.