Plate illustrates pp.17-18, 'The Description of the Machine for giving a swift Motion to Bodies in Vacuo, without admitting the External Air', and shows Hauksbee's air pump connected to a wheel mechanism which imparts a rapid rotation speed to a spindle within the glass dome of the air pump. Plate II from Physico-mechanical experiments on various subjects, by Francis Hauksbee (London, 1709), presented to the Royal Society by the author on 26 October 1709. Hauksbee (ca.1660 Ã» 1713) was elected a Fellow of the Royal Society in 1705, and was the Society's Curator of Experiments from 1703 to 1713.
Original: copperplate engraving. 1709
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