Scientific American. New Series, Volume 17, Note on ...
Thetubes are of brass, without seam, drawn from solid ingots, by the American Tube Works, of Boston. They are tinned inside and outside to prevent galvanic action; and, as they are packed with wood ferruies, according to Horatio Allens patent, all the difficuities of surface condensa- tion, so long troublesome, are overcome.
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