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... US, VPEOID PEVEB,-JAlES'S PATENT THAP. *..LThie reoently lieventsd trap (patsntl872 No. 778), for lavatories. baths, and sinks, is one Of the most ?? esafeurds agaiinst thist diseas, as it entirel wprevents noxiolns csacst fc gaiingtamit tance into houses ...