Miscellaneous reports, notes and other papers, comprising '[Delta]T for Navigational Ephemerides, 1964-1969'; papers regarding machines; a photocopy of the article 'A Modern View of Lunar Distances' (1966); a list of star names; a short historical sketch of the 'Air Almanac', 1 May 1944; notes relating to the 1967 meetings of I.A.U. Commissions 4 and 31; material on specimens of Altitude-Azimuth Tables for Surface Navigation, 1949; a letter from D.H. Sadler, 24 July 1964, regarding the 'Introduction of the IAU System of Astronomical Constants'; notes by Sadler on 'Altitude Correction for Coriolis Acceleration', 18 January 1947; calculations relating to the integration of dy/dx = f(x, y); a note on occultations, 28 April 1944; a table for the Moon's phases in Universal Time, 1965, compiled December 1960; and 'Observations of Rocket I', dated 16 December 1958.