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ERCKER, Lazarus. Aula subterranea ... das ist: Untererdische Hofhaltung ... oder gründliche Beschreibung derjenigen Sachen, so in der Tieffe der Erden wachsen, als aller ertzen der Königlichen und gemeinen Matallen, auch fürnehmster Minerlien ..., Frankfurt: Johann David Zunner, 1672. 2 parts in one volume, 2°, engraved title by P. Rilian (dated 1673), 41 woodcut illustrations (browned and spotted throughout), contemporary vellum. Ferguson I, 243; Hoover 283; Wellcome II, p. 527.
Enlarged edition of Ercker's major work and the only one to be well illustrated. "... it presents a systematic review of the methods of testing alloys and minerals of silver, gold, copper, antimony, mercury, bismuth, and lead; of obtaining and refining these metals, as well as of obtaining acids, salts, and other compounds. The last chapter is devoted to saltpeter. Ercker described laboratory procedures and equipment, gave an account of preparing the cupel, of constructing furnaces, and of the assaying balance and the method of operating it." (DSB). The second part of the work contains Christian Berwardus' Interpres phraseologiae metallurgicae. Oder Erklärung der für nembsten Terminorum und Redearten welche bey den Bergleuten, Puchern, Schmeltzern ... gebräuchlich sind (dated 1673).
Enlarged edition of Ercker's major work and the only one to be well illustrated. "... it presents a systematic review of the methods of testing alloys and minerals of silver, gold, copper, antimony, mercury, bismuth, and lead; of obtaining and refining these metals, as well as of obtaining acids, salts, and other compounds. The last chapter is devoted to saltpeter. Ercker described laboratory procedures and equipment, gave an account of preparing the cupel, of constructing furnaces, and of the assaying balance and the method of operating it." (DSB). The second part of the work contains Christian Berwardus' Interpres phraseologiae metallurgicae. Oder Erklärung der für nembsten Terminorum und Redearten welche bey den Bergleuten, Puchern, Schmeltzern ... gebräuchlich sind (dated 1673).
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