Papers for the meeting of the Astronomy Sub-Committee of the Research Grants Committee, Department of Scientific and Industrial Research, at State House, London, on 19 May 1965. The documents include minutes and matters arising from the twentieth meeting of the sub-committee on 10 March 1965, a financial statement and material on a National Instrument Centre. The rest of the papers are comprised of applications from various individuals for Special Research Grants, as follows:

Professor J. Ring: application for astronomical observations from a high altitude site.

Dr L. Mestel, Dr D.W. Sciama and Dr R.J. Taylor: application for the study of the mathematical problems of astrophysics.

Sir Harrie Massey: application for work on the 'Application of Computing Science to Scattering Problems'.

Dr E. Walter Kellermann: application for the 'Study of the energy flux and spatial distribution of the nuclear component in cosmic ray showers'.

P.E. Clegg: application for work on 'Superheterodyne Interferometer Techniques for Millimetre Wavelength Astrophysics'.

J.A. Bastin: application for equipment for the Astrophysical Laboratory at Queen Mary College, University of London.

J.A. Bastin: application for 'Astrophysical observations at sub-millimetre wave-lengths'.

Dr A.W. Wolfendale and Dr M.G. Thompson: application for apparatus for studying high energy cosmic rays.

G.D. Rochester: application for work on 'Muons in Large Extensive Air Showers'.

Professor Z. Kopal: application for a 'Topographic study of the lunar surface based on the Ranger photographs'.

Professor M.J. Seaton: application for work on the 'Collisional excitation of forbidden lines in gaseous nebulae'.

F.D. Kahn: application for work on the 'Spiral Structure of the Galaxy'.

J.A. Bastin: application for a telescope dome for the high-altitude site.