THE STEAM-ENGINE AS A TRAIN OF MECHANISM.
THE MODERN TYPE AS DEVELOPED BY NEWCOMEN, BEIGHTON, AND SMEATON 55
Defects of the Savery Engine, 55; Thomas Newcomen, A. D. 1705, 57; the Newcomen Steam Pumping-Engine, 59; Advantages of Newcomen's Engine, 60; Potter's and Beighton's Improvements, A. D. 1713-'18, 61; Smeaton's Newcomen Engines, A. D. 1775, 64; Operation of the Newcomen Engine, 65; Power and Economy of the Engine, 69; Introduction of the Newcomen Engine, 70.
THE DEVELOPMENT OF THE MODERN STEAM-ENGINE. JAMES WATT AND HIS CONTEMPORARIES.
SECTION I.--JAMES WATT AND HIS INVENTIONS 79
James Watt, his