A Popular and Descriptive Account of the Steam Engine: Comprising a General View of the Various Modes of Employing Elastic Vapour as a Prime Mover in ... and Parliamentary Papers Connected With T - Tapa blanda

Sinopsis

Excerpt from A Popular 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; And on Steam Navigation; With an Appendix of Patents and Parliamentary Papers Connected With That Subject

The use of water as an impelling power, both for the turning of machinery and other purposes connected with the usdul arts, appears to have been known at a very early period. Vitruvius describes a variety of machines for this purpose, the earliest of which were employed merely to raise a portion of the fluid by which they were impelled. The most simple method of applying this element as a mechanical agent evidently con sisted in the construction of a wheel, the periphery of which was composed of a number of float boards. This, on being exposed to the action of a running stream, was afterwards employed to give motion to a variety of mills, and is at the present time employed in almost every species of ma chinery.

Among the most celebrated hydraulic machines, we may enumerate the Machine of Marly. This.

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