Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 105
^ abutments, 10, 10.Opposite each abutment is a cylindricalvalve, which by its motion admits the steam to the upper section, andtransfers its exhaust to the lower section, and also the final exhaust.
Mechanical movements
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