n of the water work and force the deposit forward should be quite feeble. Morveau. until it reaches the outlet trunk. To replace the After being polished the deposited metal will be ex- Mr. Govi has taken up these experiments, and has scraper, the weights are removed and it is floated back.… … of sludge are collected vessels invariably throw- BOSTON DRAINAGE SYSTEM-RESERVOIRS AT MOON ISLAND. daily from the deposit se- ing off their first coat. This wers. The sewage, now almost clean water, is carried may in part be attributed to the smooth surface of the cannot produce such an effect. In…
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