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| Keywords: Watt apparatus 2.JPG en Scientific paper with diagrams Considerations on the medicinal use and on the production of factitious airs; Part I by Thomas Beddoes M D Part II by James Watt engineer; 2nd ed Bristol Bulgin Rosser for J Johnson London 1795 Thomas Beddoes and James Watt 1795 Out of copyright so none required copied from Stansfield Dorothy A Stansfield Ronald G 1986 Dr Thomas Beddoes and James Watt Preparatory Work 1794-96 for the Bristol Pneumatic Institute Medical History 30 276-302 http //www ncbi nlm nih gov/pmc/articles/PMC1139651 The legend provided is as follows Plate 2 Detail of basis apparatus Fig 1 “ gasometer cylinder in Shows outer cylinder H double-walled with ½-inch space holding water to form as-seat for rasing cylinder J Flared rim W prevents overflow of water Fig 2 “ dish for cooling water or absorbent liquid seen in vertical section and also in plan Fig 3 “ spiral gas-channel seen in vertical section and also from below Fig 4- alembic and fittings seen in vertical section Fig 5- needle valve detail From Considerations on the medicinal use and on the production of factitious airs part II by James Watt 1975 plate 1; by permission of the Syndics of Cambridge University Library it is assujed that 1975 is a mis-print of 1795 PD-old-100 James Watt Scientific apparatus Industrial revolution | ||||
