Scope and Contents Correspondence regarding the inspection, rating, supply and testing of watches, chronometers and clocks by the Royal Greenwich Observatory Chronometer Section, including the following items:Booklet on 'Balance and Spring' by R.A. Fell.Correspondence concerning quartz crystal chronometers supplied by the Seikosha Watch Company, Tokyo, Japan, 1963.Correspondence regarding the repair of mine clocks, 1962-1963.Correspondence regarding the historical chronometer...

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Correspondence regarding gifts to or from the Royal Observatory. The letters include correspondence with Miss Frances Cooper, 1952, regarding two large photographs of the Moon taken in 1875 and 1876. There is also acknowledgement from the National Science Museum of the following gifts from the Royal Observatory: Airy's Water Telescope, 1870; Airy's Reflex Zenith Tube, 1851; Airy's Water Clock, 1860; and McNeile's original Occultation Machine, 1928.

Scope and Contents Correspondence regarding the loan of equipment to the Royal Observatory, including the following items:Correspondence on the Bendorff Electrometer and Flame Collector.Correspondence on the 45° astrolabe.Correspondence on a coil magnetometer.Correspondence on a 6-inch 45-foot focus lens loaned by J. Worthington of California.Correspondence on the loan of the Cookson Floating Zenith Telescope by the Cambridge Observatory Syndicate,...

Scope and Contents Correspondence regarding the setting up of the European Southern Observatory and the Southern Hemisphere Observatory, including the following items:Memorandum by Stephen Toulmin regarding the Foundation of Scientific Policy, 1963.Correspondence with Professor R.J. Blin-Stoyle regarding the Institute of Theoretical Astronomy, University of Sussex, 1963.Report by A.B. Muller of the visit of European Southern Observatory observers to Chile, 1963. Correspondence...

Scope and Contents (1) Miscellaneous correspondence and related material concerning the Nautical Almanac Office. There are papers regarding staff finance, including concession passes issued to staff, salaries, reference sheets and data supplied by the N.A.O. to H.G. Barker, Secretary and Cashier for the Royal Observatory, for making payments. There is also correspondence regarding Hollerith equipment for the N.A.O.; telegrams from the Colonial Office regarding Greenwich Mean Time and British Summer Time in the...

Scope and Contents (1) Correspondence regarding general committee business of the Royal Society, including the following items:Correspondence concerning agenda, minutes and other matters relating to the meetings of various committees, 1928-1947, including the Gassiot Committee, Soiree Committee, International Relations Committee, British National Committee, Newton Tercentenary Committee, Meteorological Research Committee, Joint Permanent Eclipse Committee, National Committee for Astronomy and the...

Scope and Contents Correspondence concerning time signals, including the following material:Correspondence with E. Dent and Co. regarding irregularities in the Westminster Clock, tables of errors for the clock and newspaper cuttings relating to it, 1902-1906.Correspondence regarding the installation of a wireless-telegraph receiving station at Greenwich, 1912-1914.Correspondence of 1912-1915 regarding the inauguration of a wireless-telegraph time service from the Eiffel Tower and...

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...