An Historical and Descriptive Account of the Steam Engine: Comprising a General View of the Various Modes of Employing Elastic Vapour As a Prime Mover in Mechanics (Classic Reprint)

Excerpt from An Historical and Descriptive Account of the Steam Engine: Comprising a General View of the Various Modes of Employing Elastic Vapour as a Prime Mover in Mechanics

The principal Object to be attained by the employment of the Steam Engine, as well as of every other species of machinery, being the te duction of animal labour, it may be advisable, before we proceed to the more immediate subject of the present work, to compare the various species of artificial power that have hitherto been employed for that purpose; and by this method we may be enabled to calculate with certainty and precision, on the most economical mode of producing a given force. To form, however, an accurate estimate Alf the saving thus effected, it will be necessary to examine, though but briefly, the amount of animal force and its result as applied to machinery.

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