METEOROLOGICAL JOURNAL, 
KEPT BY THE ASSISTANT SECRETARY, 
AT THE APARTMENTS OF THE 
ROYAL SOCIETY, 
BY ORDER OF 
THE PRESIDENT AND COUNCIL 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge =83 feet 2£ in. 
above the mean level of the Sea (presumed about) ... .=95 feet. 
The External Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gauge above the Court of Somerset House =79 feet. 
The hours of observation are of Mean Time, the day beginning at Midnight. 
The Thermometers are graduated by Fahrenheit’s Scale. 
The Barometer is divided into inches and decimals. 
