Practical stationary engineering : in form of questions and answers (1909)
West, Andrew Cassius, 1855- · Boston, Mass. : A.C. West · leaf 207
essure indicated by the steam gauge (whichis known as pressure above atmosphere). CHAPTER VIII. THE AMERICAN THOMPSON IMPROVEDINDICATOR, Leading Pulley. The leading pulley consists of a wheel which leads the cordthrough the hole to the scored wheel, over which the cordcan be run any possible angle… … Figure 54. ing in a groove on the sleeve, which acts as a binding screw.In this manner it is held in any desired position, and is freeto revolve the moment the binding screw is loosened. By means of a set screw the stand which carries the wheelcan be adjusted to run the cord to any possible angle…
Steam engineering · Steam-engines · Steam-boilers
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