From "Explanation of Plate II," p. 35: "wind melting furnace with a section of the grate and crucible"[right]; "assay furnace with a section of the muffle above the grate"[center]; "reverberatory, with a glass retort for distillation"[left]. Plate 2 from Commercium Philosphico-Technicum; or, the Philosophical Commerce of Arts (London 1765); Print
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
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