Jeffery, Michael, 1969 (engineer)
Found in 59 Collections and/or Records:
Correspondence of J.D. Pope with Redman, Hermann Wehner and M.H. Jeffery regarding Pope's drawings 03-006, 03-022, 03-023, 03-024, 03-019, 03-025, 03-026 and 03-027. The letters include discussion on sky baffles and declination bearings in the horseshoe yoke. There are also notes on the Anglo-Australian Telescope primary mirror cell radial supports and mirror lifting device and the end-ring focussing proposals.
A letter from M.H. Jeffery, 14 February 1969, enclosing copies of bids by Owens-Illinois Inc. and the General Electric Company for the secondary and flat mirror blanks; letters from Jeffery seeking clarification of the bids; and subsequent letters, cables and telex messages, including a copy of the Corning Glass Works bid.
A copy of a letter from Redman to M.H. Jeffery, 2 June 1969, enclosing notes on dust collectors for Siding Spring, and Redman's correspondence with Hermann Wehner and P.M. Sydserff, 11 June 1969 - 18 July 1970, thanking them for dust samples, and discussing dust testing procedure, the assessment of dust tests, and the supply of plastic Petri dishes, including a quotation for the dishes from Griffin and George Ltd, 15 August 1969.
Correspondence with Vic Williamson, J.V. Hindman and Mrs Wilkie, Mount Stromlo Observatory, regarding data required for Redman's final revision of the Site Testing Report for the March A.A.T. Joint Policy Committee meeting, with telegrams from Williamson on anemometer calibrations and problems in obtaining data, and a copy of a letter from Redman to M.H. Jeffery, 27 March, containing points to notice and a proposal for future testing.
Correspondence with O.J. Eggen and M.H. Jeffery regarding simultaneous microthermal measurements at 60 feet at sites 7A and 3A. Redman suggests measurements at 110 feet and instructions for making simple dust tests, and mentions the slow progress of the site tests. There is also a copy of a letter from D.W. Cunliffe to M.H. Jeffery, 3 September, concerning the installation of the new anemometers and recorders.
A letter from M.H. Jeffery, 26 August 1969, enclosing a copy of a letter (19 August), table and graph from Macdonald, Wagner and Priddle regarding pier vibrations.
A copy of a letter from S.C.B. Gascoigne to M.H. Jeffery, 18 April 1968, and Jeffery's reply of 26 April, regarding Sir Howard Grubb, Parsons and Co. Ltd's reaction to the specifications for the primary mirror blank.
Correspondence with Hermann Wehner and M.H. Jeffery regarding top-end interchange, including notes by Wehner and J.D. Pope of 30 January 1969. The letters include reference to the telescope tube tender drawings. There are also notes by Wehner on interlock evolution and a drawing entitled 'Crane Control Schematic (Provisional)'.
Copies of Redman's letters to John Hutchinson, M.H. Jeffery, S.C.B. Gascoigne and D.S. Brown enclosing copies of his report on the visit to Owens-Illinois Inc. by the representatives of the Anglo-Australian Telescope, Sir Howard Grubb, Parsons and Co. Ltd and Kitt Peak National Observatory on 13-14 July. There is also a copy of Redman's letter to R.J. Harris, 21 August 1969, enclosing a report of Gascoigne's visit to Owens-Illinois Inc. on 1-2 August.
Correspondence regarding Dilworth, Secord, Meagher and Associates (D.S.M.). There are copies of letters from George V. Meagher and John C. Farrell of D.S.M. to M.H. Jeffery, including a schedule for design drawings and costs estimates; and correspondence between Redman and Jeffery on the high costs of the D.S.M.'s involvement, including Jeffery's comments on the draft mirror specification and the interest shown by Tinsley Laboratories Inc. in bidding for the figuring and tube contract.
Correspondence with M.H. Jeffery and J.V. Hindman regarding the Siding Spring wind records for April and May, new anemometers and recorders to be obtained, the geology of sites 3A and 7A, the increasing scepticism of astronomers on the value of seeing tests, and the death of Redman's secretary. Jeffery's letter of 18 June encloses graphs on wind speed
Correspondence with J.F. Hosie regarding the extension of the arrangements for Redman and S.C.B. Gascoigne to act as consultants on the Anglo-Australian Telescope, the death of M.H. Jeffery and his possible successors as A.A.T. Project Manager, and the comments of the Observatories Syndicate on the first report on the future of the Cambridge Observatories.
Copies of the correspondence of J.J. Tyson, Owen-Illinois Inc., with M.H. Jeffery and B.E. Broughton, Science Research Council, regarding improved tolerance in the primary mirror blank, costs and subsequent changes in the additional machining.
Correspondence with J.V. Hindman regarding recording wind data at 110 feet and the problems experienced. There is also a copy of Redman's letter to M.H. Jeffery, 1 October 1968, informing him about his correspondence with Hindman and referring to push-pull pads for the main mirror side supports.