Description | Daily meteorological observations made at Somerset House: four readings per day, at 8.00am, 9.00am, 2.00pm and 3.00pm, from two sets of instruments. These are divided by recto and verso sheets as 'Old Instruments West' and 'New Instruments East', on a combination of printed sheets [for old instruments] and manuscript sheets [for new instruments]. The printed sheets contain columns for date and time of observations, external and interior thermometers, barometer, hygrometer, rain, direction and strength of winds, and general weather remarks. The 'New Instruments' manuscript sheets contain columns for date and times of observations, barometer, thermometer, barometer corrected, Daniell's hygrometer, Kater's hygrometer, and Six's thermometer.
The data from the 'New Instruments' columns was published as 'Meteorological Journal, kept at the apartments of the Royal Society, by order of the President and Council', Philosophical Transactions of the Royal Society, v.114 (1824), pp.1-26 [additional].
Paper label to front cover inscribed: '1823 No.1. Meteorological Journal from the 1st January 1823 to the 30: June 1823'. In pencil: 'MA.322 Royal Soc.'. There is a loose sheet [pp.38/39] headed: 'Comparison of two Hygrometer' [Royal Society and Captain Kater's]. |