| Description | Daily observations at two hourly intervals at Singapore. Readings of the declination magnetometer, horizontal force magnetometer and its attached thermometer, vertical force magnetometer and its attached thermometer, uncorrected barolmeter and its attached thermometer, dry and wet thermometers, elasticity of vapour [four daily observations], miminum temperature, solar and terrestrial radiation and Moon's age. With daily standard thermometer readings, corrected barometer, and daily triple observations of the vertical, declination and horizontal force magnetometers. There are also term day observations, commencing at 10.00p.m. on 19 January and concluding at 9.00p.m. on 20 January [Gottingen mean time], with readings of the magnetometers, barometer, wet and dry thermometers and standard thermometer, with general remarks on the weather.
Each sheet is headed: 'Observatory at Singapore. Abstract of daily observations....' or 'Abstract of Term-day observations...'. Signed [p.13 and p.19]: 'C.M. Elliot Lt. Engineers'. Inscribed [p.20]: 'Magnetic Observations. Singapore. January - 1843'. |