A record of fifty years of intellectual and technological activity. This record provides an insight into the development of science and discovery from the Eighteenth to the early Nineteenth Century. It links British science and society to developments on the continent of Europe, the West Indies, North America and to countries farther afield.

James Watt is celebrated as the inventor of the energy efficient pumping and rotative steam engines. Studies of Watt have focused on his inventiveness, influence and reputation. This book explores new aspects of his work and places him in family, social and intellectual contexts during the Enlightenment and Industrial Revolution.

"The Cavendishes flourished during the high tide of British aristocracy following the revolution of 1688-89, and the case can be made that this aristocracy knew its finest hour when Henry Cavendish gently laid his delicate weights in the pan of his incomparable precision balance. For this it took two generations and two kinds of invention, one in social forms and the other in scientific technique. This biography tells how it came to pass."--Book jacket