| Description | Collected tables for one month's observations at Madras [Chennai]. Commencing with sheets headed: 'Abstract of hourly observations...' [of the declination, bifilar and vertical force magnetometers]; with the thermometers attached to the bifilar and vertical force magnetometers. Including the barometer and its attached thermometer; dry and wet bulb thermometers; temperature of dew point, elasticity of vapour, maximum and minimum temperatures and solar and terrestrial radiation. Continuing with term day observations of the bifilar, declination and balance magnetometers, beginning on 25 August at 10.00pm [Gottingen mean time]. Also, a general abstract of meteorological observations, direction or azimuth of the wind, force of the wind, and a register of evaporation.
Each monthly sheet is signed by S.O.E. Ludlow, as Superintendent of the Observatory. |