International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 695
RAILROAD STRUCTURES. 1281 valve closed. When taking water, the lever Ji is de-pressed. This causes the short arm k of the lever torise, and lifts the globe/. The weight being thus removedfrom the valve, the disk is lifted by the pressure of thewater which flows through the discharge pipe to the…
Railroad engineering
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