Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 274
\^_jf^m … Fig 299. the ring against the cylinder-barrel, and they are capable of accurateand uniform adjustment. These spi-ings are compressed so as toexert a pressure of about 2 lbs. per scjuare inch of the bearing surfaceof the packing-ring.^ See Sennett and Oram, • The Marine Steam Engine, p. 231. 258…
Steam-engines
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