| Reference number | CLP/4i/63 |
| Level | Item |
| Title | Paper, 'Observation of an extraordinary height of the barometer' by George Graham |
| Date | 11 January 1721 |
| Description | Graham, 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]'. |
| Language | English |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | DOI: 10.1098/rstl.1720.0054 |
| Related records in the catalogue | RBO/11/43 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8405 | Graham; George (1673 - 1751) | 1673 - 1751 |