A History of the Growth of the Steam-Engine

CHAPTER I.

_THE STEAM-ENGINE AS A SIMPLE MACHINE._

SECTION I.--THE PERIOD OF SPECULATION--FROM HERO TO WORCESTER, B. C. 200 TO A. D. 1650.

One of the greatest of modern philosophers--the founder of that system of scientific philosophy which traces the processes of evolution in every department, whether physical or intellectual--has devoted a chapter of his "First Pr...