| Description | Collected tables for one month's observations at Madras [Chennai]. Commencing with sheets headed: 'Abstract of hourly observations...' of the bifilar and vertical force magnetometers; with the thermometers attached to the bifilar and vertical force magnetometers. Including the barometer and its attached thermometer; and dry and wet bulb thermometers. Also, direction or azimuth of the wind; force of the wind; a general abstract of meteorological observations; a register of rain and evaporation; and temperature of dew point, elasticity of vapour, maximum and minimum temperature and solar and terrestrial radiation.
There are no hourly observations of the declination magnetometer, or term day observations, for March 1845.
Each monthly sheet is signed by S.O.E. Ludlow, as Superintendent of the Observatory. Inscribed [p.14]: 'Madras Meteorological Obs. March 1845'. |