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![[German cupeling furnace with a brick dome and a cupeling hearth with iron hood, both used to separate metals from ores]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE1NDAvMDEvMDEvZ2VybWFuLWN1cGVsaW5nLWZ1cm5hY2Utd2l0aC1hLWJyaWNrLWRvbWUtYW5kLWEtY3VwZWxpbmctaGVhcnRoLXdpdGgtaXJvbi1ob29kLTY0MC5qcGc%3D/40/54/webp "[German cupeling furnace with a brick dome and a cupeling hearth with iron hood, both used to separate metals from ores]")
[German cupeling furnace with a brick dome and a cupeling hearth with ...
Illus. and text in: De la pirotechnia / Vannuccio Biringucci. Venetia : Per V. Roffinello, 1540, p. 58. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 180.