Scope and Contents (1) Correspondence regarding various American observatories, 1938-1959, including correspondence with the Yale University Observatory; P. van de Kamp, Sproul Observatory, Pennsylvania; Yerkes Observatory; Carnegie Institution of Washington; G.C. McVittie, Department of Astronomy, University of Minnesota; Astronomical Department, Berkeley University; The Observatory, University of Michigan; Georgetown College Observatory; Dr James G. Baker, Professor Harlow Shapley and Dr Bart J. Bok, Harvard...

Scope and Contents Correspondence regarding the setting up of the European Southern Observatory and the Southern Hemisphere Observatory, including the following items:Memorandum by Stephen Toulmin regarding the Foundation of Scientific Policy, 1963.Correspondence with Professor R.J. Blin-Stoyle regarding the Institute of Theoretical Astronomy, University of Sussex, 1963.Report by A.B. Muller of the visit of European Southern Observatory observers to Chile, 1963. Correspondence...

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A copy of a letter from I.S. Bowen, Mount Wilson and Palomar Observatories, to Dr Robert R. McMath, McMath-Hulbert Observatory, Michigan, 4 April 1961, on large telescope design problems in relation to Kitt Peak. There is also correspondence between Redman and Richard Woolley in California, 26 September - 2 October 1961, including E.H. Linfoot's notes on S. Rosin's proposals for Cassegrain and prime foci systems, 5 October 1961.

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Correspondence with V.C. Reddish, Royal Observatory, Edinburgh, and John Hutchinson, Science Research Council, regarding optics specifications for the 48-inch Schmidt Telescope, including the manufacture of blanks, with accompanying draft specifications for blanks. There is also correspondence between Redman and I.S. Bowen, Hale Observatories, on mirror distortion resulting from the use of Cervit blanks, including a handwritten note on the coefficients of expansion.

Scope and Contents Correspondence regarding the Isaac Newton Telescope and power supply with, among others, Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; R.O. Redman of The Observatories, Cambridge; O. Heckmann of the Hamburger Sternwarte; Theodore Dunham, Jr., of the Imperial College of Science and Technology, London; the Navy Works Department; I.S. Bowen of the Mount Wilson and Palomar Observatories, Pasadena; the Ministry of Defence; the Ministry of Public Building and Works; the Science...

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Correspondence between Sir Richard Woolley and I.S. Bowen regarding the allocation of telescope time to Woolley for his next visit to the Mount Wilson and Palomar Observatories in the autumn of 1961.

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Correspondence between Sir Richard Woolley and I.S. Bowen regarding arrangements for Woolley's visit to the Mount Wilson and Palomar Observatories.

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Correspondence between I.S. Bowen and Sir Richard Woolley on the possibilities of astronomical research in satellites, including a copy of a letter from Bowen to Michael Stoiko of the Martin Company, Baltimore, Maryland, regarding the idea of a space platform for astronomical research.

Scope and Contents Correspondence with J.H. Oort and related papers, including, among other items, correspondence of 18-22 March 1954, containing Oort's comments on the views of the British National Committee of Astronomy on the proposed southern observatory and the belief that the project will fail if Britain does not participate; a copy of a letter in German from O. Heckmann, Hamburg, to Oort, 11 March 1954, commenting on the South African project, enclosed with a letter from Oort to Redman; copies of Oort's...

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A letter from I.S. Bowen to Sir Richard Woolley regarding the acceptance by the Committee of the Mount Wilson and Palomar Observatories of Woolley's request to carry out a programme on proper motions in M67.

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A letter from I.S. Bowen to Sir Richard Woolley regarding measurements of Coudé plates done by Woolley and Sir Richard's proposed observing programme for his visit to the Mount Wilson and Palomar Observatories.

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A letter from Sir Richard Woolley to I.S. Bowen asking for time on the 60-inch telescope to take repeat plates of van Maanen's first epoch plates of M67, in order to obtain improved proper motions.

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A letter from Sir Richard Woolley to I.S. Bowen of the Mount Wilson and Palomar Observatories regarding the space velocities of stars within 20 parsecs of the Sun and concerning Gliese's catalogue.

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A letter from Sir Richard Woolley to I.S. Bowen regarding the measurements of plates and their variations, with a table of the residual velocities from Hyades group motion according to B.A.N. 432.

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A letter from Sir Richard Woolley to I.S. Bowen on the question of whether the radial velocity of 70 Ophiuchi is variable or not.

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A letter from Sir Richard Woolley to I.S. Bowen regarding the results obtained from measuring the Mount Wilson Coudé plates.

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A letter from I.S. Bowen to Sir Richard Woolley regarding the results of Woolley's radial velocity measurements on Coudé plates.

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A letter from the H.G. Barker, Secretary of the Board of Management, Isaac Newton Observatory, 5 July 1951, enclosing copies of a letter from G.M. Sisson of Sir Howard Grubb, Parsons and Co. Ltd, 12 June 1951, on the 98-inch disk, and of a letter from I.S. Bowen of the Mount Wilson and Palomar Observatories, 6 June 1951, on the production of the 200-inch disk at these observatories.

Scope and Contents Papers regarding the International Astronomical Union, including the following items:Statement concerning Professor P. Swings's nomination for a Gold Medal, 1952.R. Atkinson's comments on a circular by Dr Sadler, 1952.Correspondence regarding the publication of the reports of various commissions, 1952.Correspondence with Professor Lindblad concerning candidates for the new Executive Committee, 1952.Correspondence with Dr Jackson regarding funding,...

Scope and Contents Correspondence and papers regarding the Royal Astronomical Society, including agenda and minutes of meetings of committees and the Council; officers' reports; notices and programmes for ordinary meetings; correspondence on speakers and club guests; material concerning papers to be read or refereed; correspondence concerning grants for travel, publications and research; and correspondence regarding the arrangements for lectures given by the Astronomer Royal. The papers include the following...

Scope and Contents Personal correspondence of H. Spencer Jones concerning meetings, lectures, accounts, visits and other subjects. The correspondents include E.N. da C. Andrade, A. Danjon, Sir Laurence Bragg, J. Bartels, Sir Alan Barlow, E. Burgess, Sir Edward Bollard, P. Bourgeois, I.S. Bowen, Sir John Cockroft, T.G. Cowling, S. Chapman, Sir Henry Dale, A. Einstein, R.F. Hesketh, Sir Claude Gibb, H.S. Jelstrup, Sir Harold Jeffreys, A. Kopff, W.H. Munk, F. Moreau, N.F. Mott, J.H. Oort, H. Quill, R.O. Redman,...