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A meteorological journal containing barometric readings taken at sunrise, noon, sunset and midnight.

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This series comprises publications of meteorological data and of catalogues of observations of the stars and planets obtained with the Carlsberg Automatic Meridian Circle (CAMC). The publications were produced by the Real Instituto y Observatorio de la Armada en San Fernando, Copenhagen University Observatory and Institute of Astronomy, Cambridge, and latterly, solely by ROA.

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A series of booklets containing measurements of the meteorological conditions, astronomical seeing and atmospheric extinction made at the site of the Carlsberg Automatic Meridian Circle (CAMC) in the Observatorio del Roque de los Muchachos, La Palma, Islas Canarias.

Scope and Contents Correspondence regarding magnetism and meteorology, including correspondence with Messrs Jackson and Phillips, Madrid, Spain, 1946-1947, regarding the Kew unifiliar magnetometer and dip indicator, including an attached galvanometer, for a new geophysical observatory in Spain; a list of Royal Observatory instrument requirements, 1945; and correspondence regarding a silica coating for astronomical mirrors, 1947, including a communication from the Naval Scientific Service on 'The United States...

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Miscellaneous correspondence regarding magnetism and meteorology, including an illustration and translation of a leaflet, sent by H.V. Skan to the Astronomer Royal, concerning a 'Radiation Balance Meter' being manufactured by Dr B. Lange in Berlin.

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Correspondence regarding meteorological instruments, including correspondence with Negretti and Zambra, scientific instrument-makers, regarding a 'Distant Reading Thermograph'.

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Correspondence regarding meteorological instruments, including a letter from H.G. Barker to the Meteorological Office regarding a large Stevenson Screen and the Dines anemo-biograph, and a request to the Admiralty from J.H. Whale for a rain recorder for Herstmonceux.

Scope and Contents *This item is currently restricted for health and safety reasons.*Correspondence with J.F. Campbell concerning sunshine recordings, including traces on green card from a solar-recording instrument and diagrams, 1881-1883.Correspondence with D. Winstanley, 1881, concerning his instrument for recording the duration and intensity of sunshine, including:1. 'A facsimile of a record of the duration of sunshine made by the Apparatus Winstanley'.2. 'Winstanley's...

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Correspondence with the Meteorological Office regarding the discontinuing of regular observations at the Royal Greenwich Observatory.

Scope and Contents Correspondence with the Meteorological Commission and Meteorological Society relating to the publication of meteorological results. The papers include notes for the Treasury Committee to report on certain questions relating to the Meteorological Committee; grants to the Meteorological Committee; a report of the Meteorological Committee of the Royal Society; comparisons, discussions and results of the Kew and Greenwich meteorological observations; the report of the Committee on the Greenwich...

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Correspondence and some related papers concerning meteorology, indexed and divided into the following sections: Meteorological Office - London; Meteorological Commission - Cape Town; Local Correspondence and Information Given; Instruments; Officers of Her Majesty's Ships; and Miscellaneous.

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Correspondence regarding the Royal Observatory's Meteorological Enclosure and instruments, including letters regarding a Stevenson Screen in the Altazimuth Building at Greenwich, 1951.

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Correspondence regarding reports sent to the Royal Observatory concerning meteorological phenomenon, including sightings of meteors, waterspouts, sun pillars, fire balls, solar and lunar haloes and the aurora borealis.

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Correspondence regarding weather conditions and reports given by the Royal Observatory, including requests from solicitors and insurance companies for this information.

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Miscellaneous correspondence regarding meteorology, including a memorandum on the units and standards of measurement employed at the National Physical Laboratory, 1950.

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Miscellaneous correspondence with the general public on meteorological matters, including a pamphlet on 'The use of Wind-Power in Village Water Supply'.

Scope and Contents Correspondence regarding meteorology and the sighting of meteor showers, divided into eight sections:Correspondence between D. Gill and the Meteorological Office, London, regarding the supply of equipment, barometers, etc., to the Cape Observatory, 18 March 1879 - 5 April 1884.Correspondence between D. Gill, the Meteorological Commission and various individuals on the preparation of annual weather reports and measurements made, 30 May 1879 - April 1895.Correspondence...

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A letter from the Civil Engineer-in-Chief, Admiralty, to the Astronomer Royal, 21 April 1951, and a letter from H.G. Barker, Secretary for the Astronomer Royal, to B. O'Rorke, 15 July 1953, regarding the Meteorological Enclosure at the Royal Greenwich Observatory.

Scope and Contents Correspondence with the Meteorological Office and other papers regarding meteorological studies and related subjects, including the following items:Correspondence with the Air Ministry Meteorological Research Committee, 1946.Notes on a proposed method of estimating temperature at high altitudes by measuring the time sound takes to travel between an explosion point in the air and the Earth's surface, 1946.Suggested method for using long-range projectiles for the...

Scope and Contents Reductions of the Greenwich meteorological observations, 1848-1868. The volume includes Airy's request for a £100 grant to reduce the meteorological observations; notes on reducing the observations; interim reports on the state of temperature reductions, 1848-1868, and barometer reductions, 1854-1873; government cereal and harvest statistics; correlation of harvest statistics and meteorological observations; and two copies of draft interpretations of the reductions of the temperature...

Scope and Contents No index is included in this volume. The journal contains tables of plates in groups dated 1855-1875 (20 years), 1955-1900 (45 years), and 1855-1925 (70 years), catalogues of spare and duplicate plates, remarks and comparisons, verification of Kapleyn’s results, a meteorological record from Jan. 1905 to July 1908, and memoranda. It also includes mention of Franklin-Adams’ machines for counting stars and drawing precision lines, from lists of books published and cut out and entered into this...

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A copy of a letter from the Astronomer Royal to the Hydrographer of the Navy, Admiralty, regarding a rain recorder for Herstmonceux.

Scope and Contents Various memoranda concerning meteorological instruments:1. Refraction through glass stem of photographic thermometers.2. Positive potential - Thompson's (electrometer).3. Osler's anemometer.4. Comparison of sunshine instruments.5. Osler's anemometer pressure scale from 1893.6. Breakage of the solar radiation thermometer.7. Comparison of the altazimuth thermometer with the standard.8. Examination of Robinson's...

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An undated printed pamphlet titled 'Meteorology Results Deduced from Meteorological Observations made at certain stations in the Colony of Cape of Good Hope in the years 1861, 1862, 1863, 1864 and 1865 compiled by a Commission Appointed by Government'.

Scope and Contents *This item is currently restricted for health and safety reasons.* Various meteorological observations comprised mainly of phenomena seen, but with some recorded observations:'Weather chart of the Royal National Lifeboat Institution', October to December 1888.Newspaper cutting from 'The Advertiser', Adelaide, 29 April 1891, concerning the summer of 1890-1891.Photograph of a lightning flash taken by R. Law, 1891.Barometric and meteorological data...