(NUMBER 51. VOLUME VII.) To amalgamate the fine gold discharge pipe. THE Scientific American, … chinery. B is the revolving cylinder, the in- | its weight of sulphuric acid,an acid liquor is The annexed engYavings are views of im- to visit the Court of Directors of the East terior of which is shown in fig. 2,G being | formed, at whose bottom a resin ofa fine pur- provements on machinery for…
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