Draft copies of speeches, lectures, scripts and articles, including the following items:
Notes for the Bruce Preller Lecture of the Royal Society of Edinburgh, delivered on 4 July 1960, on the subject of Magellanic Clouds.
Notes for the 'Friday Evening Discourse' on parallax.
Notes for the James Forrest Lecture to the Institution of Civil Engineers, 14 May 1957, on large telescopes.
Presidential Address to the South East Union of Scientific Societies.
Notes for the Founders' Memorial Lecture, Girton College, Cambridge, 9 February 1957, on 'The Importance of Astronomy'.
Notes for the Speech Day address at Allhallows School, near Lyme Regis.
Addresses to the Association of Astronomers for 24 October 1957 and 30 October 1958.
Address to the Staff Association on 15 January .