Reference numberCLP/4i/63
TitlePaper, 'Observation of an extraordinary height of the barometer' by George Graham
Date11 January 1721
DescriptionGraham, a watchmaker, explains that 'upon Thursday the 21st of December last, observing the barometer much higher than usual; that evening, between seven and eight a clock, I filled a tube with very clean quick-silver (mercury), and found the height a little to exceed 30, 7½ inches'.

Subject: Scientific apparatus and instruments / Meteorology

Read to the Royal Society on 11 January 1721

Published in Philosophical Transactions as 'Observation of an extraordinary height of the barometer, December 21. 1721 [1720]'.
Physical descriptionInk on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rstl.1720.0054
Related records in the catalogueRBO/11/43
Fellows associated with this archive
NA8405Graham; George (1673 - 1751)1673 - 1751
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