Description | Magnetic dip observations, nine in total, on the morning and afternoon of selected days of the month of March, with one additional observation from April. The observers are not noted by initial. With observations taken with an 18-inch altitude and azimuth circle on 23 March, 'for determining the azimuth of the Declinometer Reading Telescope'. Also included [p.2] 'Absolute determinations, coefficients, &c.', including adjustments to instruments.
Headed: 'Observatory at Lucknow. Abstract of Dip Observations made during the month of March 1844'. |