ning upwards , and is Fig . 33 i . — Büge injection fitted with a baffle plate placed on the valve box , Valve . — a , Spindle and . valve . b , ehest , c,Cover , through which a thumb screw works m a screwed d , crosshead . ee , C o1 - brass bush ; by this means the valve is held down after the… … consists of a thumb screw pressing against a Fig . 332 . — Snifting Valve . a , Valve . b , Chest . c , Cover . brass block let into the end of the pump ram , d , Set screw . the inside rod being of sufficient length to work loosely in the hollow ram when the plunger is at the bottom of the stroke…
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