| Description | Table of maximum and minimum readings of the declination magnetometer, including declination at noon, and daily means. With a table of maximum and minimum values for the horizontal and vertical force magnetometers, and a third table for the maximum and minimum readings of the barometer and thermometer of the horizontal force magnetometer.
Inscribed [p.4]: 'Maximum & Minimum Abstract June 1843'. Signed [p.3]: 'C.M. Elliot Lt. Engineers' and signed as checked by William Downes. |