International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 694
hehoops will drive tight. The discharge pipe/, when not in use, takes the positionshown in the figure, being held in that position by theweighted ball </, which is attached to the chain r, runningthrough the sheave s, and thence to its connection with thedischarge pipe. A cross-section of the… … Fig. nm. through the side or bottom of the tank. The bottom valveconnection is shown in the figure. The valve rod a isattached to the short arm of the lever /;. The weight c,attached to the end of the short arm of the lever, holds thevalve firmly in place. A rope is attached to the end d of thelong…
Railroad engineering
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