Hill, John A. (John Alexander), 1858-1916, Sinclair, Angus, 1841-1919 · New York : American Machinist Pub. Co · leaf 739
eterioration. a.s they arc- maili- ofbrass; and the vibrations, wliji Ij 1 juiv, ,l,iiihlr upper chamber to the whistle and produce a blast;Ibis will instantly reduce the pressure in the upperchamber below that in the lower chamber, andthereupon the valve U will be closed; by this time,Ibe eilect… … 0 M«<N flESERVOIR CONDUCTORS
Railroads · Locomotives
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