1963 Summer meeting of the Royal Meteorological Society

1963 UA.

1964 April 10 meeting of the Royal Astronomical Society

1964 December 11 meeting of the Royal Astronomical Society

1964 February 14 meeting of the Royal Astronomical Society

1964 January 10 meeting of the Royal Astronomical Society

1964 July 24 meeting of the Royal Astronomical Society

1964 March 13 meeting of the Royal Astronomical Society

1964 May 8 meeting of the Royal Astronomical Society

1964 November 13 meeting of the Royal Astronomical Society

1964 October 9 meeting of the Royal Astronomical Society

1964 September 7 & 8 meeting of the Royal Astronomical Society

1964 Summer meeting of the Royal Astronomical Society

1965 April 9 meeting of the Royal Astronomical Society

1965 December 10 meeting of the Royal Astronomical Society

1965 February 12 meeting of the Royal Astronomical Society

1965 January 8 meeting of the Royal Astronomical Society

1965 March 12 meeting of the Royal Astronomical Society

1965 May 14 meeting of the Royal Astronomical Society

1965 November 12 meeting of the Royal Astronomical Society