Description | Tables showing: declination magnetometer readings [p.1]; horizontal and vertical force magnetometer readings [p.2]; barometer height readings, with attached [?] thermometer values, and wet and dry bulb thermometer readings, and general weather remarks [p.3]. The observations generally commence at 11.00p.m., and end at 3.00p.m., the following day.
Headed [p.1]: 'Observatory at Borneo. Abstract of Term-day Observations Thursday the 20th of October 1842'. Signed [p.3]: 'C M Elliot Lt. Engrs'. |