Magnetic observations at Flagstaff Observatory, Australia, by George Balthazar von Neumayer Hourly magnetic observations made at Flagstaff Hill Observatory, Melbourne, Victoria. Arranged by day, each section headed by the date; with readings taken from midnight to 11.00p.m. on each day. Columns for time, readings and reductions for declination, intensity, and inclination [reductions for declination not completed], temperature in the Horary House [the magnetic instrument house at Flagstaff Observatory], reduction to Fahrenheit, and general remarks. The volume contains occasional press cuttings, noting earthquakes reported in the region. Headed [p.1]: 'Melbourne Observations' and signed by G B von Neumayer. The inner leaf is inscribed: 'Presented to the Library of the Royal Society London'. Volume no.12 in Neumayer's original presentation listing of December 1869. 1 May-31 December 1858