Magnetic and meteorological observations made at Singapore Magnetic Observatory, by Charles Morgan Elliot Hourly observations of: the bifilar, vertical force, and declination magnetometers; attached thermometers for the bifilar and vertical force magnetometers; the barometer, uncorrected and corrected, with its attached thermometer; standard thermometer; wet and dry thermometers in shade; extent of cloudy sky; with temperature of dew point and elasticity of vapour at 3a.m., 9a.m, 3p.m. and 9p.m., maximum and minimum temperature and terrestrial radiation. There is a final sheet of hourly term-day observations for 25 September 1845. Each sheet is signed by 'C.M. Elliot, Lt Engineers', and as Superintendent of the Magnetic Observatory, Singapore. Some sheets are signed as checked by William Arnold. 1-30 September 1845