Hauksbee's experiments on barometry and attrition Colley Original: red chalk on paper

Original: red chalk on paper

Geneva and London

smoking and drinking

Roger Waters

Having access to whole bagfuls of amethystine pyramids from the Brazils

Hauksbee's experiments on barometry and attrition Colley Original: red chalk on paperFigure 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 1713) was elected a Fellow of the Royal