| Description | Tables of daily observations made at Madras [Chennai], generally at two hourly intervals, commencing with: the declination magnetometer; horizontal force magnetometer and its thermometer; vertical force magnetometer and its thermometer. With readings from: an uncorrected barometer; its attached thermometer; dry and wet thermometers; and corrected barometer. These are followed by tables of: abstracts of daily triple observations of the magnetometers; temperature of dew point, elasticity of vapour, maximum and minimum temperature, solar and terrestrial radiation and Moon's age; with an unused table for electrometer.
Headed 'Abstract of daily Observations...'. Inscribed [p.1]: 'Recd. via Falmouth 5 Aug 1841'. |