A catechism of the steam engine and its various applications to mines, mills, steam navigation, railways, and agriculture (1876)
Bourne, John, civil engineer. [from old catalog] · New York, D. Appleton and company · leaf 239
Equilibrium Gridiron Slide Valve.Longitudinal Section. Scale f inch = 1 foot. 451. Q,—What species of valve is that shown in. figs. 39and 40 ? A,—It is an equilibrium gridiron valve; so called becauseit lets the steam in and out by more than one port, a a are Fig. 40. … Equilibrium Gridiron Slide Valve.Back View with Iling removed. Scale f inch = 1 foot. the ordinary steam passages to the top and bottom of thecylinder; b b is the ring which rubs against the back of the CONSTRUCTION OF THE ECCENTRIC. 225 valve casing, and d is tlie eduction passage, s s s s sliows…
Steam engineering · Steam-engines
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