g principle of course being the same in all, the wooden tubs or vessels in which the sewage has to be well, but the pattern, so long and so deservedly celebrated, namely, the means of controlling the action of the rakes, removed from the different houses; and, the tubs being now looks very antique… … badly done by the Americans, andis ple mowers, and nine combined AIR PUMP FOR RAISING SEWAGE. machines. Of the whole number seen in nearly allof their exhibited pictures. The prints of the magnificent series of the Yel- there appeared little doubt that Wood’s so called combined, closely, and so…
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