| Description | Hourly meteorological observations made at the Royal Society's apartments at Somerset House, London, at the December (Winter) 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 Sixty-four hours. Commencing 6. A.M. of the 21st Decr. 1841 and ending 11. P.M. of the 23rd. Greeenwich mean time. By Mr. John D. Roberton, Assistant Secretary, Royal Society'. Referring to morning observations on 23 December, a note at the main table states that: 'I am indebted to Mr. W.R. Birt for his kind aid and assistance in taking these eight observations. J.D.R.' |