Scope and Contents

Correspondence with the Cordoba, Melbourne and Oxford observatories concerning astrographic charts, including the collection of information for the charts; adjustments to the photographical equatorial telescope; and financial, printing and staffing problems at the Oxford Observatory.

Scope and Contents Correspondence with instrument manufacturers, other observatories, astronomers, inventors, etc., regarding instruments not held at the Royal Observatory, including letters asking for advice and requests to borrow or buy equipment. The papers include the following material:Miscellaneous correspondence, 1905-1937, including letters regarding plates needed for the trigonometrical surveys of India, 1909-1910; a new Evershed solar spectroscope, 1905-1906; and the renewal of an observatory...

Scope and Contents (1) Correspondence regarding Commonwealth and colonial observatories, 1911-1935, including the following material:Correspondence regarding equipment for the Mount Faber Observatory, Singapore, 1928-1930, including a transit instrument and micrometer.Correspondence concerning the closure of the Apia Observatory, Samoa, by the New Zealand Government, 1919-1935.Correspondence on the supply and testing of a 4-inch transit instrument and clock for the Colombo Observatory,...

Scope and Contents Papers regarding the International Astronomical Union, including the following material:Correspondence, 1923-1925, regarding the Cambridge meeting of the I.A.U. on 14-22 July 1925, including letters relating to the date, agenda, invitees, schedule, visit and entertainments, and correspondence concerning the meeting of the National Committee of Astronomy to discuss resolutions to be presented to the I.A.U.Correspondence, 1934-1938, regarding the Paris meeting of the I.A.U. in...

Scope and Contents From the Series: Records for the 1930-1931 parallax programme of the Royal Observatory Greenwich and Cape Observatory to determine the solar parallax (distance to the Sun) by observations of the minor planet Eros and comparison stars. The records comprise tabulated data sets based on photographic observations taken at Greenwich and at various international observatories (RGO 81/2-48), along with 20 volumes of micrometric measurements of photographic observations of Eros and comparison stars from...

Scope and Contents

Also included are some explanatory notes and a covering letter from Juan José Nissen, Director of the Observatorio Astronómico de Córdoba, Argentina, dated 16 Nov. 1939.