File:Watt Apparatus 1.JPG
The legend provided is as folows: "Plate 1 The basis apparatus (Fig.1– alembic, cooling dish, and gasometer in side view. Fig 2– furnace, seen from above. Fig 3– fire tube alternative to alembic, vertical cross-section, also detail of connecting tube in horizontal section.) From Considerations on the medicinal use, and on the production of factitious airs, part II by James Watt, 1795, plate 1; by permission of the Syndics of Cambridge University Library"
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