E, and the ex- in suitable seats. The course of admission and exhaust will The Estes Steam Engine. easily be traced in the section of the cylinders without further haust valve by the rod, F. The former is connected with the When the steam spaces between the heads of | adjustable steel-pointed cam,… … camand yoke,work- demand throughout ing the exhaust the West for finer valve, make one full stroke backward and engines is annually becoming greater. ~~ another forward during each revolution of the It is claimed for the Estes engine that it im | - main shaft. Its movement being short is meets this…
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