Astronomical and meteorological papers including: letters to Tebbutt 1860-1915 [46 volumes, A3682-3727]. Letters from E. Quaife ca. 1847-1871 [1 volume, A3728]. Reductions of observations, Windsor 1853-1910 [18 volumes, A3729-3746, A3780]. Astronomical observations, Windsor 1853-1859 [1 volume, A3745]. Journal, observatory, Peninsula, Windsor 1864-1872, 1879-1898 [11 volumes, A3747-3757]. Minute book 1899-1902 [A3758]. Instrumental determinations, Windsor 1882-1901 [A3759]. Observational notebooks 1862-1865, 1879-1882, 1884-1905 [15 volumes, A3760-3774]. Sundry observations [A3775]. Values of wires of transit instrument 1885-1903 [A3776]. Papers regarding telegraphic determination of longitude 1885 [A3777]. Definitive determinations of latitude 1882 [A3778]. Observations during hot winds 1862-1863 [A3779]. Catalogue of the Observatory Library [A3781]. Manuscript extracts from periodicals [A3782]. Astronomical observations [A3783-4]. Diary 1859-1863 [2 volumes, A3785-6]. Meteorological observations 1863-1913 [13 volumes, A3787-99]. "Hawkesbury Floods: An account of floods on the Hawkesbury and Nepean Rivers 1857-1869" addressed to E. O. Moriarty inlcuding newspaper cuttings [ML MSS 59]. Astronomical calculations 1860-1875 with a translation of an article by H. I. Klein 17 October 1874 which refers to Tebbutt [ML DOC 1142].