Meteorological observations at Flagstaff Observatory, Australia, by George Balthazar von Neumayer Daily meteorological records, made hourly, each sheet commencing at midnight and ending at 11.00pm. With columns for: mean time of observations; pressure of air; pressure of vapour; relative humidity; dew point; thermometers in Sun; ground thermometers; wind direction and force; form, direction and amount of cloud; state of zenith; amount and quality of atmospheric electricity; ozone; hours of fog, rain, snow hail and dew; amount of rain; spontaneous evaporation; and general remarks. There are selective totals of mean, maximum, minimum and maximum difference, with a box for solar and terrestrial radiation. Inscribed: 'Presented to the Royal Society London' on the front end paper. Front flyleaf is inscribed 'Melbourne Observatory' and signed by G.B. von Neumayer. Volume no.4 in Neumayer's original presentation listing of December 1869. 1 July-31 December 1859