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A letter from O.J. Eggen, Mount Stromlo Observatory, regarding site testing considerations at Siding Spring, which he states should be an item on the agenda of the first Joint Policy Committee meeting.

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A letter from O.J. Eggen, 1 November 1968, regarding the convening of a small committee to evaluate that data from site testing at Siding Spring. He encloses graphs on wind records, notes on Automatic Seeing Monitor calibration, and a comparison of methods of estimating astronomical seeing by A.R. Hogg, with graphs.

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A letter from O.J. Eggen regarding the argument concerning the Automatic Seeing Monitor and Danjon seeing records, the basis of selection of wind records and the redesign of the building layout.

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A letter from Olin Eggen to Sir Richard Woolley regarding the renovation of the 26-inch telescope at the Mount Stromlo Observatory and observational work to be carried out after this has been completed.

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A letter from Olin Wilson to O.J. Eggen regarding observations of visual binaries, mentioning a compilation by Franz, 'Mitt Univ. Sternw. Wien Band 8, 1956'.

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A copy of a letter from W.L. Francis, Science Research Council, to Hermann Bondi, 20 January 1967, regarding the visit of O.J. Eggen and K.N. Jones, Canberra, to begin talks on the Southern Hemisphere Telescope, with an accompanying compliments slip containing Redman's handwritten notes.

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A letter from O.J. Eggen to A.D. Thackeray regarding the list of stars sent to T.J. Deeming and arrangements for a visit to the Cape.

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A letter from Sir Richard Woolley to Professor Charles Fehrenbach regarding arrangements for the visit of Woolley and O.J. Eggen to France.

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A letter from Sir Richard Woolley to Dr S.C.B. Gascoigne of the Mount Stromlo Observatory regarding Eggen's sequence of values in Omega Centauri.

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A handwritten copy of a letter from Redman to J.V. Hindman regarding Redman's meeting with Vic Williamson about the adjustment of anemometers; seeing monitors; O.J. Eggen's request for microthermal measurements at 60 feet; and dust collectors.

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A letter from Sir Richard Woolley to O.J. Eggen regarding the failure to reconcile the Cape established sequences when measured on J.B. Alexander's 74-inch plates A3724, A3730, A3731 and A3739.

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A letter from Sir Richard Woolley to O.J. Eggen regarding a discovery that the Large Magellanic Cloud is a good example of a two-population object.

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A letter from Sir Richard Woolley to O.J. Eggen regarding measurements of the deep plates on NGC 6397, and the proper motion studies of Omega Centauri.

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A letter from Sir Richard Woolley to O.J. Eggen regarding the computation of the orbit of Omega Centauri in Schmidt's potential field.

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A letter from Sir Richard Woolley to O.J. Eggen regarding population studies in the Magellanic Cloud.

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A letter from Sir Richard Woolley to O.J. Eggen regarding work in progress on the field of NGC 6522.

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A letter from Sir Richard Woolley to O.J. Eggen regarding Woolley'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 O.J. Eggen regarding the distance to the centre of the galaxy of NGC 6522 and arrangements for Woolley and Eggen's joint visit to Australia.

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A letter from Sir Richard Woolley to O.J. Eggen listing RR Lyrae stars in Northern Constellations that have proper motions but no photoelectric magnitudes.

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A copy of a letter from Redman to O.J. Eggen, Mount Stromlo Observatory, regarding the urgency of investigating the local wind structure over and around Siding Spring Mountain, because it was necessary to consider the mechanical effect of wind on dome and telescope and the effect of wind on seeing. Redman suggests using masts fitted with fast resistance anemometers for tests.

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A letter from Sir Richard Woolley to Olin Eggen at the Mount Stromlo Observatory regarding a group of stars below the main sequence according to their trigonometrical parallaxes.

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A letter from Sir Richard Woolley to Olin Eggen regarding unpublished observations of Gliese stars.

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A letter from O.J. Eggen to T.J. Deeming at the Radcliffe Observatory, Pretoria, regarding arrangements for working on the 74-inch telescope.

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Copies of letters from Redman to O.J. Eggen, J.V. Hindman and Vic Williamson summarising the decisions made during his visit to Siding Spring Observatory with regard to recording at various sites and the reduction of microthermal records.

Scope and Contents Miscellaneous correspondence and related papers:A volume of cuttings from 'The Times' referring to the dismissal of W.S.B. Woolhouse, Chief Assistant, and related matters, 1835-1838.A volume containing computations of lunar distance from the Sun and other stars, 1817-1818. The book was probably given to the Nautical Almanac Office by O.J. Eggen. There is no indication of its author.Correspondence with Edward Roberts, retired assistant, 1909-1920, regarding his...