Scope and Contents Correspondence regarding the Yapp 36-inch Reflecting Telescope, including correspondence with Sir Howard Grubb, Parsons and Co. Ltd regarding the refiguring and polishing of the telescope's mirror. The papers also include the following items:Correspondence regarding the contract for the purchase of an electric driving mechanism for the Yapp Reflecting Telescope, 1956.Memorandum by R. Atkinson on shipping mirrors and other important items, 1956.Graph from Sir Howard...

Scope and Contents Correspondence regarding the Yapp 36-inch Telescope and an aluminising plant, including correspondence with Sir Howard Grubb, Parsons and Co. Ltd regarding the refiguring of the 36-inch Yapp Mirror, 1956; correspondence with Edwards High Vacuum Ltd regarding an aluminising laboratory at Herstmonceux, 1954-1955; a draft specification by R. Atkinson regarding the 38-inch vacuum coating plant, 1954; a memorandum by R. Atkinson regarding the electrical supplies and connections to the Yapp...

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Cables and telexes exchanged between Redman and Hermann Wehner, a telex from Redman to S.C.B. Gascoigne, and a cable from D.W. Cunliffe, regarding Redman's travel arrangements for Australia and progress reports on tests by Sir Howard Grubb, Parsons and Co. Ltd.

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A letter from A.D. Thackeray to Sir Richard Woolley, 30 January 1965, regarding an oscillator unit and the Department of Scientific and Industrial Research instrument survey, and a copy of Woolley's reply of 4 February sanctioning the purchase of the unit from Sir Howard Grubb, Parsons and Co. Ltd and commenting on the settlement of P.J. Andrews's salary.

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Correspondence with A.W. Rodgers regarding the Users Specification of the Computer Guidance and Control System, the date of the next meeting of the A.A.T. Working Party, H. Kobler's autoguider on the 74-inch telescope, and Redman's visit to Sir Howard Grubb, Parsons and Co. Ltd on 17 November. There are also copies of correspondence between Rodgers and V.C. Reddish concerning meetings of the Working Party.

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Correspondence with the University of Cambridge, including correspondence with R.O. Redman; G.M. Sisson of Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; R.V. Willstrop; Sir Martin Ryle; E.L. Pilditch of Lincoln's Inn Fields; Roger Griffin; D.W. Dewhurst; and P. Maitland. There are also invitations to various functions and the report of the Observatories Syndicate for the year ending 30 September 1963.

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Correspondence with G.M. Sisson, Sir Howard Grubb, Parsons and Co. Ltd, regarding the possibility of the Science Research Council funding design work for the Anglo-Australian Telescope. Redman outlines his and E.H. Linfoot's views on design. Sisson reports on his visit to the Astronomer Royal and Sir Harry Melville and the factors hindering the start of the Anglo-Australian Telescope projects.

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A copy of a letter from Redman to Hermann Wehner, 24 August 1973, and Wehner's reply of 10 September, regarding Redman's travel arrangements and the plans for shipping the primary mirror. Wehner reports that the Anglo-Australian Telescope Board meeting is deferred and discusses the work on secondary blanks at Sir Howard Grubb, Parsons and Co. Ltd.

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Correspondence, estimates and orders relating to scientific instrument firms, including Negretti and Zambra; Troughton and Simms; Siemens Bros. and Co. Ltd; Adam Hilger Ltd; Phillips; the Cambridge Instrument Co.; C.F. Casella and Co. Ltd; Sir Howard Grubb, Parsons and Co. Ltd; and Vickers.

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A letter from J.D. Pope, 7 August 1973, and a copy of Redman's reply of 29 August, regarding cost studies for the Northern Hemisphere Observatory, including detailed comments on the reports by Sir Howard Grubb, Parsons and Co. Ltd and Boller and Chivens.

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...

Scope and Contents Correspondence with various foreign observatories and universities, including the following correspondents:E.A. Kreiken, Astronomical Institute, University of Ankara.Revd Father D.J.K. O'Connell, S.J., Specola Vaticana, Castel Gandolfo, Vatican City State.L.N. Mavridis, Academy of Sciences of Athens.Westminster Bank Ltd, Hailsham, regarding an account to administer a N.A.T.O. grant for a Turkish student (Attila Ahmed Kirman) working at the Royal Greenwich...

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Correspondence with S.C.B. Gascoigne regarding meetings, travel arrangements, optical alignment, correctors and the Coudé flat. Gascoigne encloses a draft tender for prime focus correctors and notes on 'Aspheric Plate and Material for Doublet'. The letters also refer to Sir Howard Grubb, Parsons and Co. Ltd's performance on correctors.

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Correspondence with S.C.B. Gascoigne regarding primary mirror figuring, secondary mirror testing, optical design calculations, auto-guiding, the Hartmann screen and R.L. Ford's visit to Redman concerning telescope and dome control. Gascoigne encloses notes by J.D. Pope on the latter's visit to Sir Howard Grubb, Parsons and Co. Ltd on 9-11 March 1971, and also minutes of the company's meeting with representatives of the Anglo-Australian Telescope.

Scope and Contents Correspondence with S.C.B. Gascoigne regarding the progress at Sir Howard Grubb, Parsons and Co. Ltd on optical tests and fitting the mercury band; the Anglo-Australian Telescope Board and Committee meetings; Redman's proposed visit to Australia; the Coudé spectrograph; and the International Astronomical Union meeting. There is also a letter from R.V. Willstrop, 6 August, and a report of his telephone conversation with Sir Howard Grubb, Parsons and Co. Ltd on 21 September 1973. Gascoigne's...

Scope and Contents Correspondence with S.C.B. Gascoigne regarding the Sir Howard Grubb, Parsons and Co. Ltd work schedule, the progress of tests, the Boller and Chivens spectrograph, Hartmann plate reductions at the Royal Greenwich Observatory, Redman's proposed visit to Australia, G.M. Sisson's departure from Sir Howard Grubb, Parsons and Co. Ltd, and reactions to J. Wampler. Redman's letter of 4 February encloses a copy of a letter from H. Wehner to I. Munro, 31 January 1974, concerning further tests of the...

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A copy of two letters and the text of a cable from Redman to S.C.B. Gascoigne regarding meetings and a visit to Sir Howard Grubb, Parsons and Co. Ltd in Newcastle, with a telegram from Gascoigne regarding travel arrangements.

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Drawing No. 6751 depicting a section through the mirror cell, tube and declination axis of the 98-inch telescope, and Drawing No. 6725 of the 98-inch telescope, produced by Sir Howard Grubb, Parsons and Co. Ltd.

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An estimate by Sir Howard Grubb, Parsons and Co. Ltd for the cost of items for the Isaac Newton Observatory, totally £481,000.

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Extracts from the Sir Howard Grubb, Parsons and Co. Ltd contract for the Anglo-Australian Telescope, 1969, relating to the technical specifications and specification revisions for the mirror support system. There is also a copy of a letter from D.S. Brown of Sir Howard Grubb, Parsons and Co. Ltd to H.C. Minnett, 7 April 1970, regarding his suggestions.

Scope and Contents General correspondence with, among others, the Mount Wilson Observatory; the Palomar Observatory; the University of St Andrews; the Royal Society; G.M. Sisson of Sir Howard Grubb, Parsons and Co. Ltd; A. Samaha of the Helwan Observatory, Egypt; E.B. Ford of All Souls College, Oxford; the 'Science Journal'; and the Society for Visiting Scientists. The subjects include a proposed visit by Sir Richard Woolley to Sir Howard Grubb, Parsons and Co. Ltd; Woolley's contribution to a special issue of...

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General correspondence with, among others, R.H. Stoy of the Royal Observatory, Cape Town; the Mount Wilson and Palomar Observatories, California; A. Curtis, Literary Editor of the 'Sunday Telegraph'; the University of Southampton; the Chambre Suisse de l'Horologerie; and G.M. Sisson of Sir Howard Grubb, Parsons and Co. Ltd. The subjects include a review by Sir Richard Woolley for the 'Sunday Telegraph' of 'The Story of Jodrell Bank' by Sir Bernard Lovell.

Scope and Contents The Grubb Parsons Papers include papers on instrumentation for observatories, company publications, and items relating to the history of the company, including two personal albums by former employees.Series 1 is comprised of instrumentation papers. They include an article by Sir Howard Grubb Parsons and Company on the 36 Inch Reflecting Telescope for the Royal Observatory, Greenwich; a technical drawing and report on the 74” reflector built for the Radcliffe Observatory,...

Scope and Contents In 1946 Linfoot entered an agreement with Grubb Parsons to act as a consultant in astronomical designs. He was to assist 'by technical advice on computation and the arrangement of optical systems for astronomical instruments' and 'by practical advice and quality assessment in the testing and manufacture of astronomical systems'. In 1950 he reached a separate consultancy agreement with Grubb Parsons in respect of their undertaking the manufacture of the optical parts for the Isaac Newton...

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A letter from A.D. Thackeray to G.M. Sisson, Sir Howard Grubb, Parsons and Co. Ltd, regarding the F/1 camera (Cassegrain).