46 MODERN STEAM PRACTICE . ing , were deposits forming to any great extent , it would soon prove fatal to the boiler . To partially remedy this evil the boiler should roc W ' W Fig . 21 . — Systems of Tubing . be emptied every day , while for other boilers the water must be blown off frequently .… … dass of boiler where they can be convenient - Fig . 22 . — Separator , a , Steam - pipe . b , Receiver , c , Tap . ly applied ; but as the steam still contains watery particles , a Separator may be fitted to the steam - pipe . The action of this contrivance is very simple , and consists in abruptly
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