Description | Tables of bifilar magnetometer readings, taken at two minute intervals, 17-18 April 1844. Readings and means are recorded against Singapore Observatory time and Gottingen mean time.
Headed [p.1]: 'Magnetic Observatory at Singapore. Disturbance of the Bifilar Magnetometer, uncorrected, April 17th 1844'. Signed [p.4] by C.M. Elliot. |