. Y. were known to occur, and still daily occur, in the experienceof every chemist. The alchemist, although knowing nothing of the elements aswenow recognizethem,regardedthebasermetalsas containingthe same elementary substance as gold, associated with impur-ities which they had not yet learned to… … Ammonium, known to be a compound, also has the charac-ters of a metal, as is most strikingly shown by its amalgama-tion with mercury. Such a fact, known as it has been for along time, to chemists, must have had its influence in restor-ing the belief that the transmutation of metals is possible. We…
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