Description | Hourly meteorological observations made at the Royal Society's apartments at Somerset House, London, at the June (Summer) solstice. Columns for: hours of observation; barometer corrected flint glass; barometer corrected crown glass; attached thermometer; external thermometer; old standard barometer; attached thermometer; difference of wet and dry bulb thermometer; dew point; rain in inches; wind; with general remarks.
Headed: 'Meteorological observations made at the Apartments of the Royal Society, Somerset-House, for Forty successive hours. Commencing 6. A.M. of the 21st June 1842, and ending 9 P.M. of the 22nd. Greenwich mean time. By Mr. J. D. Roberton, Assistant Secretary, Royal Society'. |