Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 24
de valve moves backward and forward over both steamports and the exhaust port, and is thus able to control the supplyof steam to both ends of the cylinder and also the exhaust fromboth ends. The valve is given its backward and forward motionby the eccentric which is fastened by set screws to the…
Steam-engines
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