Description | Eleven sets of paired curves, showing magnetic readings taken at Sarawak [in red ink], with comparable readings from Singapore [in black ink].
Headed [p.1]: 'Curves of daily observations of the Declination Magnetometer taken at Sarawak Borneo by Liuet. C M Elliot Supt. of the Magnetic Observatory at Singapore October 1842'. Signed [p.1]: 'C M Elliot Lt. Engrs'. Inscribed [p.2]: 'Daily Observations Borneo. October 1842. Declination'. |