2 parts in 1. [10], 208, [4]; 36 pp. Additional engraved pictorial title page; engraved armorial headpiece at start of dedication; 42 woodcut illustrations in text. (Folio) 33.7x20.2 cm. (13¼x8"), period boards, paper spine label lettered in an early hand. Fifth Edition.

Part 2, with separate title: Christian Berward. Interpres Phraseologiae Metallurgicae... Contains a new section on saltpeter and the manufacture of gunpowder, with 3 new woodcuts. "Considering the importance of Ercker's treatise it is remarkable how little is on record about him. He was inspector-general of the mines of Hungary, Transylvania, and the Tyrol, which position he held under three consecutive emperors in the 16th century, and he calls himself of St. Annen Bergk. His book was highly prized at the time, for it was a record of practical experience, and was not burdened with theories and hypotheses" (Ferguson). Fergusson I:244.