A History of the Growth of the Steam-Engine

by Robert Henry Thurston

[31] A fac-simile of a sketch in Galloway’s “On the Steam-Engine,” etc.

[32] “Architecture Hydraulique,” 1734.

[33] Smeaton’s “Reports,” vol. i., p. 223.

[34] “Encyclopædia Britannica,” 1st edition.

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CHAPTER III.

THE DEVELOPMENT OF THE MODERN STEAM-ENGINE. JAMES WATT AND HIS CONTEMPORARIES.