Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 206
DRILLS, EOCK. 189 … iSj the cvlinder (seen also in Fig. 2) to the broad, shallow ciicuniferential groove c in the piston.The ioii^itudinal groove b is of such length as to maintain constant communication betweenthe nozzle a and the circumfer-ential groove c. Its othce is tolessen the otherwise inconvenientlength of…
Mechanical engineering
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