| Description | Daily observations of solar radiation: six observations at two hourly intervals, morning and afternoon. With [p.2] 'Observations with an 18 inch alt. & az. circle for determining the azimuth of the declinimeter reading telescope 8th February 1843'; and 'Absolute determinations, coefficients, &c.', including adjustments to instruments.
Headed [p.1]: 'Observatory at Lucknow. Abstract of daily observations...February 1843...'. |