Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 233
cesaround the coupler lever D and catch C, allowing the tooth B to revolve outward. VALVE MOTION. To establish the reciprocating motions of the piston, valves must be moved so as toalternately let the steam into one end of the cylinder and permit it to escape at the other.The mechanism by which the… … ° ^ ^\ MjJ KV^^> .( ^ \ ■
Mechanical drawing
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