nds of brass or Mr. Pearce, M.P., President of the Fairfield Company. fluid rises up some distance inthetube. Inthe mathe- lead may be used with advantage. Somelittle trouble The old compound engines were removed by him to matical consideration of the problem, three tensions ; may be experienced,… … sively of minute closed cells, the walls of which were readily permeated by gases, but were impervious to make room for triple-expansion engines and steel boil- or membrane of water is most striking when its dimen- liquids. The cells were filled with air, which, when ers. The log of the Parthia in…
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