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A letter from F. Graham Smith, Royal Greenwich Observatory, 6 February 1975, enclosing a copy a letter from F.W. Jackson, Sir Howard Grubb, Parsons and Co. Ltd, 4 February 1975, containing a quote for David Brown to examine the new blank at Schott's.

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A copy of a letter from F.W. Jackson, Sir Howard Grubb, Parsons and Co. Ltd, 22 January 1971, to the Anglo-Australian Telescope Project Office confirming the information sent already on the dimensions of the primary mirror and the Support System.

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A letter from Hermann Wehner, 24 October 1973, enclosing copies of recent correspondence between Sir Howard Grubb, Parsons and Co. Ltd and the Anglo-Australian Telescope Project Office, 17 and 19 October 1973, and a summary of correspondence on the mercury girdle, 5 March - 8 October 1973.

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A copy of a letter from I. Munro, Sir Howard Grubb, Parsons and Co. Ltd, to the Anglo-Australian Telescope Project Office, 28 November 1969, regarding quotations for the mirror figuring and tube fabrication contract, and concerning proposals for a design study on the mirror alignment system and Cer-Vit rod focus stabiliser. A note indicates that the letter was copied for Redman in 1970.

Scope and Contents A handwritten letter from S.C.B. Gascoigne, 19 January 1971, regarding anti-reflection films, correctors, computer estimates and Sir Howard Grubb, Parsons and Co. Ltd redesigning costs. Gascoigne encloses extracts from the Kitt Peak National Observatory specifications for the 'Wynne Prime Focus UBK-7 Triplet Corrector' on optical coating, and also an article by Lissberger from 'Progress in Physics', 33, p. 231, giving specifications for simple anti-reflection coatings. Gascoigne's letter has...

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A letter from C. Young, Sir Howard Grubb, Parsons and Co., to H. Spencer Jones regarding facts about Russian telescopes, 4 pages.

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A copy of a letter from J.B.S. Price, Sir Howard Grubb, Parsons and Co. Ltd, to B.N. Watts, Science Research Council, regarding the facilities available in his company for the operation of large telescope mirrors and prices.

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A copy of a letter from Sir Richard Woolley to A.D. Thackeray enquiring about whether he has approached Sir Howard Grubb, Parsons and Co. Ltd for a quotation for Schmidt cameras.

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A copy of a letter from Sir Richard Woolley to A.D. Thackeray regarding design problems in the right ascension drive which Sir Howard Grubb, Parsons and Co. Ltd are going to rectify.

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A letter from Sir Richard Woolley to the Hydrographer of the Navy regarding the purchase of a double slide plate holder for the 26-inch refractor from Sir Howard Grubb, Parsons and Co. Ltd.

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A copy of a letter from Redman to S.C.B. Gascoigne regarding general matters concerning the Anglo-Australian Telescope; news from Sir Howard Grubb, Parsons and Co. Ltd; and tentative travel plans for Redman's Canberra visit.

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A copy of a letter from Redman to V.C. Reddish, Siding Spring Observatory, regretting that he cannot attend the Anglo-Australian Telescope opening ceremony and commenting on progress at Sir Howard Grubb, Parsons and Co. Ltd.

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A letter from A.D. Thackeray to Sir Richard Woolley regarding the right ascension drive and the telescope overhaul, and enclosing a copy of letter from Thackeray to G.M. Sisson, Sir Howard Grubb, Parsons and Co. Ltd, on the replacement of a gearbox for the telescope drive.

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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.

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Copies of letters from Redman to Hermann Wehner regarding the progress of Sir Howard Grubb, Parsons and Co. Ltd, their organisation and staffing, the value of Hartmann tests, the Perkin-Elmer Coudé spectrograph, the f/8 convex mirror and the mercury girdle. There are also summaries of Redman's telephone conversation with D.S. Brown on 13 and 14 November.

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A memorandum prepared by G.M. Sisson, Sir Howard, Grubb Parsons and Co. Ltd, for the Mechanical Design Committee, regarding the Isaac Newton Telescope.

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A memorandum to the Technical Sub-Committee of the Isaac Newton Telescope Board of Management from J. Martin, Astronomical Director of Works (Navy) 2, on negotiations he has been having with Sir Howard Grubb, Parsons and Co. Ltd over their contract.

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A memorandum from F.B. Allcock, Director of Works (Navy) 2, to the Technical Sub-Committee of the Isaac Newton Telescope Board of Management, informing them that the tender from Sir Howard Grubb, Parsons and Co. Ltd for the dome was accepted on 13 September 1963.

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A copy of the minutes of a meeting held at Sir Howard Grubb, Parsons and Co. Ltd on 24 April 1969 between members of the company and the Anglo-Australian Technical Committee, dated 28 April 1969.

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Minutes of the meetings of the Isaac Newton Telescope Project Committee and related correspondence with Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; the Navy Works Department; and others.

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Two different sets of minutes of the meeting of the Isaac Newton Telescope Executive Committee on 16 November 1956. The first set contains Redman's handwritten amendments; the second set was prepared by Sir Howard Grubb, Parson and Co. Ltd, and is dated 21 November 1956.

Scope and Contents Letters to Robert Atkinson, with a few other items, including the following:Letter from R.S. Colebrook, Chichester, 3 March 1947, regarding the cosmic ray theory.Letter from A. Parson, Maryport, 12 December 1947, concerning his investigation into binaries.Letter from G.M. Sisson, Sir Harold Grubb, Parsons and Co. Ltd, July 1949, on the design of the impersonal micrometer for the Cadiz 7-inch meridian circle, with a handwritten draft reply by R. Atkinson.Letter...

Scope and Contents Correspondence on miscellaneous matters, including correspondence with the National Institute of Oceanography; Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; the Department of Geodesy and Geophysics, University of Cambridge; the Economic League; the Hydrographic Department of the Admiralty, concerning applications from the B.B.C. and the 'Yorkshire Post' to give publicity to the Isaac Newton Telescope mirror; Professor C. Fehrenbach of the Observatoire de Marseille; Dr T....

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Miscellaneous papers, including correspondence with Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne, with tenders and drawings; a survey of the Science Research Council for 1968; and a list of candidates for election to the Royal Society in 1973.

Scope and Contents Miscellaneous papers, including the following items:Aeronautical map of the area of South Africa around Calvinia, reference 'Calvinia SE33/17 2/3', with three sites, Nos 1, 2 and 3, marked near Sutherland.Letter from the Jeremiah Horrocks and Wilfred Hall Observatories, Preston.Correspondence with the Admiralty on the closing down of the staff hostel at Herstmonceux.Ministry of Defence Joint Bureau (Division of Scientific Intelligence) reports, 1958-1959:...