| Description | Table of curves showing readings of a declination magnetometer, a horizontal force magnetometer, the thermometer of the horizontal magnetometer and a vertical force magnetometer. Commencing at 10.00p.m. [?], and ending at 10.00p.m., Gottingen mean time, with Sarawak mean solar time marked at the bottom of the table.
Headed [p.1]: 'Term Day Curves. Curves of the instruments observed on the 20th October 1842 in the Island of Borneo by Lieut. C.M. Elliot Supt. Magt. Obsy. Singapore'. Signed lower right [p.1]: 'C M Elliot Lt. Engrs'. Inscribed [p.2]: 'Term Day - October Sarawak 1842'. |