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ERCKER, Lazarus (c.1530- c.1594). 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 Metallen, auch fürnehmster Mineralien... Frankfurt: Johann David Zunner, 1684.
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 final 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 1684). VD-17 39:123441K. See Ferguson I, 243; Hoover 283; Wellcome II, p. 527.
4 books plus appendix in one volume, quarto (233 x 190mm). With engraved title, 40 woodcut illustrations (lightly uniformly browned, occasional spots, engraved title trimmed closely). Contemporary vellum (somewhat soiled).
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 final 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 1684). VD-17 39:123441K. See Ferguson I, 243; Hoover 283; Wellcome II, p. 527.
4 books plus appendix in one volume, quarto (233 x 190mm). With engraved title, 40 woodcut illustrations (lightly uniformly browned, occasional spots, engraved title trimmed closely). Contemporary vellum (somewhat soiled).
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