des being remarkable as the first in which steam of hightension was made to act upon a piston. The first of these isliable to all the objections that we stated in speaking of Savarysengine. The second is far better, and even preferable in manyrespects to the engine of Newcomen. It is, besides,… … Steam is generated in the boiler c, and flows thence throughthe pipe d ; it is represented as passing through one of the pas-sages in a four-way cock, beneath the piston a, while the steamwhich had filled the other cylinder is escaping into the airthrough the passage e. The piston a works a lever…
Steam-engines
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