Record

RefNoMA/254/10
Previous numbersMA.254
LevelItem
TitleMagnetic and meteorological observations at the Trivandrum Magnetic Observatory, India, by John Caldecott
CreatorCaldecott; John (1800-1849); British astronomer
Date1-31 July 1841
DescriptionTables of daily observations made at Trivandrum [Thiruvananthapuram], Kerala, 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. These are followed by: detailed observations of computed temperature of dew point and tension of vapour [on unused tables for electrometer observations]; temperature of dew point, elasticity of vapour [largerly incomplete]; maximum and minimum temperature, solar and terrestrial radiation and Moon's age; corrected barometer; and an abstract of daily triple observations of the magnetometers. The observations conclude with proportion of sky clouded, mean direction and force of wind by Lind's gauge; and the daily amount of rainfall.

Headed 'Abstract of daily Observations...'. The tables have various explanatory annotations.
Extent14p.
FormatPrinted
Manuscript
PhysicalDescriptionInk on paper.
AccessStatusOpen
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