(London, W. Bulmer and Co., 1810). 4to. No wrappers as extracted from ""Philosophical Transactions"" 1810 - Part I. Pp. 89-122. Fine and clean.
Reference : 42920
First printing of a paper in which Henry showed that British salt was much purer than the foreign salt then preferred by the Irish provision curers. London, a Northwich firm, purified rock salt by fusion in reverbeatory furnace, a process patented in 1903 by Lee in Ireland. (Partington III, p. 823).
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