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Correspondence with M.H. Jeffery regarding O.J. Eggen's decision to resume site tests. Redman's letter of 25 November encloses graphs of anemometer wind record reductions for old site 3 and site 7A, and his views on the choice of site and on Jeffery's proposal layout for site 7A. There is also a copy of a letter from Redman letter to J.V. Hindman and Vic Williamson concerning microthermal and dust measurements.

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Correspondence with M.H. Jeffery regarding wind directions in Sidney, Canberra and Coonabarabran. Redman refers to the 'Evaluation of Phase A Design Studies for Drive' in his letter of 29 January.

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A letter from M.H. Jeffery, Kitt Peak National Observatory, to Redman, 23 February 1968, and Redman's reply of 27 February, regarding mirror support calculations by Earl Pearson of K.P.N.O.

Scope and Contents A letter from M.H. Jeffery, 28 March 1968, regarding an enclosed copy of a letter from D.S. Brown, Sir Howard Grubb, Parsons and Co. Ltd, 26 March 1968, with accompanying notes, concerning the primary mirror blank specification received by the company and the changes affecting the Root Mean Square smoothness and stress level. There is also Redman's reply of 29 March, outlining his view that the wording of the Owens-Illinois Inc. contract cannot be changed, and giving his opinion on the...

Scope and Contents Correspondence with M.H. Jeffery regarding the stoppage of site wind recording; Hermann Wehner's comments on minimum building height; the final draft on the mirror figuring specification and the withdrawal of Carl Zeiss from the bidding; field rotation due to atmospheric refraction; and the Canadian 150-inch telescope. There is also copy of a letter from S.C.B. Gascoigne to M.H. Jeffery, 7 June 1968, commenting on the draft mirror specifications and enclosing a graph on performance figures...

Scope and Contents Correspondence with M.H. Jeffery, 27 November - 9 December 1968, regarding the revision of guiding specifications for the primary mirror and specifications for secondary and other blanks; secondary mirror supports; reports obtained by J.D. Pope and Hermann Wehner in Toronto and Tucson; correctors; and design precepts for instrument action. There is also a copy of Jeffery's letter to R. Harris, 3 December, concerning exchangeable secondary mirrors, and of a letter from J.D. Pope to Redman, 17...

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Correspondence with the Itek Corporation regarding the auto-collimating focus sensor for the Anglo-Australian Telescope, comprised of copies of letters from R. Hills Jr., Itek Corporation, to M.H. Jeffery, 3 May 1968; J.F. Hosie to F. Hoyle, 15 May 1968, enclosing a letter from Hills to Hosie, 3 May 1968; and J. Richard Vyce, Itek Corporation, to J.D. Pope, 14 June 1968, enclosing notes on the application of the Itek Device, including reference to Pope's memorandum and drawing of 20 May.

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A copy of a letter from D.L. Crawford, Kitt Peak National Observatory, to M.H. Jeffery, 28 February 1969, enclosing a commentary on the Anglo-Australian Telescope Drive Study Report by L.D. Barr, with a copy of an article by L.D. Martin entitled 'Large Contact Ratios Minimize Effects of Gear Errors', from 'Machinery', February 1967.

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A copy of a letter from M.H. Jeffery, Project Manager, Anglo-Australian Telescope, to J.F. Hosie, 28 January 1969, regarding the increased estimates by Dilworth, Secord, Meagher and Associates for the tube; the new interchange proposals and problems; and the decision not to built a copy of the Kitt Peak National Observatory telescope. There is also a compliments slips containing Redman's handwritten comments.

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A letter from M.H. Jeffery regarding O.J. Eggen's report on site testing; staff shortages; the lack of microthermal measurements; dust measurements; the ideal mountain site; the need for a final site selection by December; Australian National University decisions on buildings, with a reference to a sketch on the proposed layout; and primary mirror blank delivery dates.

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Copy of a letter from M.H. Jeffery to J.J. Tyson, Owens-Illinois Inc., regarding the diameter of the mirror and the premium on the cost of solid secondary blank for matching the weight down.

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A letter from M.H. Jeffery regarding a meeting in Cambridge following the instrumentation conference to discuss 'grey areas'; site testing; telescope design; Freeman Fox and Partner's findings on horseshoe deflections; and the commissioning of E. Pearson, Kitt Peak National Observatory, to carry out a full analysis of the polar axis structure.

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A copy of a letter from M.H. Jeffery to R.P. Kraft, Lick Observatory, thanking him for the reception given to Mr Priddle and Mr Rae and requesting that the temperature measurements relating to the dome and mirror be extended for a further two weeks on an hourly basis.

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A letter from M.H. Jeffery, 29 November 1968, regarding the final list of firms to be invited to bid for the tube and figuring contracts. He encloses a copy of his letter to Davidson Optronics Inc., 29 November, enquiring whether the firm wishes to bid.

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A letter from M.H. Jeffery enclosing the final Project Office report (not included) evaluating the drive and control design studies of Associated Electrical Industries and Edwin A. Sweo and Associates. There is a pencilled note by Redman at the bottom referring to his letter of 6 January to R.L. Ford.

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A copy of a handwritten letter from M[], Mount Stromlo, 30 April 1968, to M.F. Jeffery, regarding various design issues.

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A letter to J.F. Hosie regarding M.H. Jeffery's Progress Report on the Anglo-Australian Telescope and Redman's availability for meetings in July and August.

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A copy of a letter to M.H. Jeffery regarding Redman's notes on the meetings of the previous week concerning the Anglo-Australian Telescope, and expressing his worries about the elaborate mechanical design work needed for the receiving equipment and for the automatic guiding and trailing apparatus recommended by P.I.L.O.T. (Panel of Instrumentation for the Large Telescopes).

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A copy of a letter from Redman to M.H. Jeffery regarding the P.A.N.E.L. (Panel of Instrumentation for Large Optical Telescopes) instrumentation proposals, with detailed comments on spectroscopy, mirror coating, photoelectric guiding and instrumentation procedure.

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A letter from Redman to M.H. Jeffery, 19 July 1968, regarding Redman's discussion with J.D. Pope, including mention of the telescope tube; the problems caused by dust at the Siding Spring Observatory; and worms, spur gears and friction drives. There are accompanying notes by Redman, dated 20 July, entitled 'Why Worms? Why Not?', written in reply to notes by J. Rothwell entitled 'Why Worms?', 5 July, a copy of which is included.

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A copy of two letters from Redman to M.H. Jeffery regarding the corrector lens, strain measurement in the Cervit blank, thermal control of the telescope, computer control, photo-electric guiding, building design and dust measurements.

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A copy of a letter from Redman to M.H. Jeffery regarding the Mounting Contract Documents and Drawings, the primary mirror blank, aluminising and dome layout, and prime focus corrector lenses.

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A copy of a letter from Redman to M.H. Jeffery referring to a summary of paper FC22, 'Preparation of Mirror Coatings for the Vacuum Ultraviolet', from the 'Journal of the Optical Society of America', 1968, p. 1567.

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Two letters from Vic Williamson, 8 and 12 December 1968, regarding the progress of tests at Coonabarabran and the damage caused at site 3A by an electrical storm. There is also a copy of Redman's letter to M.H. Jeffery, 30 December 1968, on the uncertain evidence of the slight advantage site 3A has over site 7A with regard to microthermal variability.

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A letter from Hermann Wehner, 10 February 1969, and a letter from M.H. Jeffery, 13 February 1969, regarding seeing records at Siding Spring Observatory. Jeffery encloses a table of observing hours and discusses wind direction data for higher wind speeds, the unreliability of both Automatic Seeing Monitors and the lack of staff to operate any new units.