OUR STORY
National Heritage
Terrestrial magnetism
1. Field Work.
(a) Dip determinations were made at Macquarie Island, on the eastern and southern journeys from the Main Base (Adelie Land) and on a short journey from the Western Base (Queen Mary Land).
(b) Declination by theodolite observations was determined at Macquarie Island and at intervals on all sledging journeys in the Antarctic.
(c) Rough observations of magnetic variation were made daily on the `Aurora' during her five cruises.
2. Station Work.
(a) Regular magnetograph records were kept at the Main Base (Adelie Land) for a period of eighteen months. A system of term days for quick runs was also followed; Melbourne, Christchurch, and other stations co-operating. In connexion with the magnetograph work, Webb conducted regular, absolute observations throughout the year 1912. Bage continued the magnetograph records for a further six months in 1913, observed term days, and took absolute observations.
(b) At the Western Base (Queen Mary Land) Kennedy kept term days in the winter, using a magnetometer and dip-circle.
Douglas Mawson, Home of the Blizzard (1915)
