Figure 1 illustrates pp.88-93, 'An Account of an Experiment, shewing the Cause of the Descent of the Mercury in the Barometer, in a Storm'. Figure 2 illustrates pp.19-21, 'Concerning the Attrition of Amber on Woollen in Vacuo'. Plate V 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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Hauksbee's experiments on barometry and attrition appears in: