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As shown by the log, by Mr Earnshaw's three timekeepers, by Mr Arnold's two timekeepers, and also by lunar observations. The journal includes a summary of the latitudes and longitudes of 'most of the remarkable places seen in the voyage' [RGO 14/68: 145v].

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Reporting from Rio de Janeiro on problems with his instruments and with discipline on board the Daedalus; transcribed by Sir Joseph Banks.

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The observations begin with a note on receiving the four timekeepers from William Wales, and on their rate. Included are observations taken at St Helens; at Drake’s Island, Plymouth Sound; at Torbay and Cawsand Bay; at Sancta Cruz Bay in Tenerife; and observation taken on board the ship while at sea.

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Sent to Rev. Richard Belward, bursar at Caius College, Cambridge.

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General correspondence, some official, regarding the Tenerife Astronomical Experiment. The correspondents include R.C. Carrington, G.S. Criswick, C. Frodsham, J.P. Gassiot, Lieut. Col. James and Sir C. Lyell. There are some letters on distribution.

Scope and Contents Places mentioned (in order of occurrence) are: Sancta Cruz Bay in the island of Tenerife; the island of St Anthony; the island of Trinidada [Trindade, Brazil]; Cape Frio on the coast of Brazil; Sugar Loaf Rock at the entrance to the harbour of Rio de Janeiro; Goff’s Island; Swilly Island off the south cape of Van Diemen’s land [Tasmania]; a small cove near Rocky Head, Typa, near Macao [Macau]; Wymoa Bay, Island of Atooi [Waimea Bay, Kauai]; Bird Island; the entrance of Port [Namou] in the...

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'Astronomical and Physical Journal' of the astronomical expedition to Tenerife, containing the astronomical journals of Guajara and Alta Vista, actinometer observations, polarimeter observations, thermomultiplier observations and tide observations.

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'Mountain Meteorological Journal' of the astronomical expedition to Tenerife, containing observations under the headings 'Ascent of Mountain', 'Guajara Station', 'Alta Vista Station' and 'Puerto de Orotava'.

Scope and Contents 'Abstract of a Jurnal in the "Prince of Wales" from England to Bombay by Mr John Kidd, Chief Meat, in the Hon'ble East India Company Service - In the year 1769; Long'd computed by Mr Lock's Methoud.' This summarised account of a voyage of the East Indiaman 'Prince of Wales', travelling from England to Bombay, was compiled by Robert Bishop, based on the journal of First Mate, John Kidd. Entries are daily and run from 27 March until 14 June 1769 (when the ship anchored at Rio de...

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Reporting on the timekeeper [K1], and on his observations during the passage to Tenerife (en route to New South Wales).

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Concerning observations taken (including observations for the rate of the timekeeper, K1).

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Written on the first part of the voyage at sea and concluding at Tenerife. The letter includes a description of a storm encountered in the Bay of Biscay and mention of his plans to make Captain New's son and Mr Pitts computers of his observations.

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Written at sea, describing the 'crossing the line' ceremony performed upon crossing the equator and their touching at St. Iago (Cape Verde Islands), with a drawing of a woman of that island. Gooch also mentions his plan to publish a history of the voyage upon his return.

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A copy of a memorandum to the Northern Hemisphere Observatory Planning Committee regarding the site testing project, entitled 'Observations made from the summit of Pico del Teide, Tenerife', prepared by Malcolm Hartley, Royal Observatory, Edinburgh, 6 March 1973.

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A report by Redman entitled 'On the Question of Establishing an Astronomical Observatory in Tenerife', with charts showing the weather averages taken over a ten-year period at the Izaña meteorological station; a paper concerning the Teide Observatory, Tenerife; and a Spanish guidebook to 'Pico de Teide'.

Scope and Contents Correspondence and papers regarding small optical telescopes at the Royal Greenwich Observatory and overseas:An unsigned written description of the main optical features of the Congo telescope [1972-1973].A photocopy of a talk given by F.J. Hargreaves entitled 'A Description of a Reflecting Telescope with Unusual Features', concerning the 38-inch telescope installed at the R.G.O. [1961].A copy of J.B. Alexander's report on sites for the 30-inch telescope,...

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Reductions of the 'Mountain Meteorological Journal' from the astronomical expedition to Tenerife, with a note at the back by C. Piazzi Smyth on the reductions.

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Reductions of the barometer, thermometer and hygrometer observations at sea level in the 'Weather Book' of the astronomical expedition to Tenerife.

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A copy of report by P.N. Brandt and K.O. Keipenheuer entitled 'Inspections of the atlantic islands TENERIFE, MADEIRA and PORTO SANTO, first meteorological measurements at Tenerife', March 1971, in which they conclude that Tenerife would be the most favourable site for an observatory.

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A copy of the preliminary report on the 'Italian JOSO Site Testing Campaign 1973 in Tenerife' by R. Barletti, G. Ceppatelli, L. Paternò and N. Speroni, 20 September 1973.

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Preceded by an explanation of the table [RGO 14/60: 5v] and signed by Captain Cook and James King.

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'Weather book, Abstract Log and Meteorological register at the level of the Sea' of the astronomical expedition to Tenerife, kept by those on board the ship, including the index error of the instruments, diagrams of the different types of clouds, graphs of the barometer range and other items.