<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/CLP/4i/63" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Paper, 'Observation of an extraordinary height of the barometer' by George Graham</dc:title>
  <dc: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]'.</dc:description>
  <dc:date>11 January 1721</dc:date>
</rdf:Description>