| Description | Tables of daily 'term' observations made at Trivandrum [Thiruvananthapuram], Kerala. Readings from the declination, horizontal, and vertical force magentometers, with sections divided into columns or pages for 'Simla daily term' and 'Antarctica daily term'. With [p.6]: 'Absolute determinations for January 1842', with some instrument details, and a note by signed by John Caldecott, 12 February 1842, commencing: 'Since the end of January the three magnetometers have been observed every fifteen minutes...'.
Headed [p.1]: 'Observatory at Trevandrum January 1842. Abstract of daily "Term" Observations'. |