Time measuring instruments
Found in 105 Collections and/or Records:
Correspondence on chronometer sales, 1934 - 1936
Correspondence between the Astronomer Royal; the British Consulate, Istanbul; and Professor E.F. Freundlich of the Observatory of Istanbul concerning the sake of the second-hand chronometers Lowry 1832 and Parkinson & Frodsham 3642 to Professor Freundlich, including arrangements for payment and delivery, consignment and insurance forms, and invoices.
Correspondence on chronometer trials, 1885 - 1894
Correspondence on chronometer trials, 1894 - 1899
Correspondence on chronometer trials, 1899 - 1904
Correspondence on chronometer trials, 1904 - 1909
Correspondence on chronometers, 1910 - 1913
Reports on experiments with chronometers in magnetic fields, including a preliminary report, 1911; second report, 1911; final report, 1912; and report on the use of iron boxes as magnetic shields, 1912.
Observations, reports and memoranda concerning the rates of chronometers in magnetic fields, 1911-1910.
Correspondence with Captain Miller and others concerning magnetic tests on chronometers, 1910-1913.
Correspondence on chronometers, 1900 - 1912
Correspondence on chronometers, 1901 - 1940
Correspondence on chronometers, 1884 - 1901
Correspondence on chronometers, 1920 - 1946
Correspondence on chronometers, 1894 - 1899
Correspondence on chronometers, 1878 - 1899
Correspondence on chronometers, 1895 - 1923
Correspondence on chronometers, 1883 - 1948
Correspondence on chronometers, 1947 - 1953
Correspondence on chronometers, 1947 - 1963
Correspondence on chronometers, 1942 - 1945
Correspondence on chronometers, 1944
Correspondence regarding the supply of chronometers to the Russian Government.
Correspondence on chronometers, 1947 - 1951
Correspondence regarding repairs of watches and chronometers.
Correspondence on chronometers, 1950 - 1953
Correspondence regarding the annual audit of chronometers and watches at the Royal Greenwich Observatory, Herstmonceux.
Correspondence on chronometers, 1941 - 1946
Correspondence concerning the degaussing of chronometers.
Correspondence on chronometers, 1821 - 1835
A Royal Observatory letter book containing copies of outgoing correspondence concerning chronometers. Some of the letters are addressed to chronometer makers. Inverted at the back is a record of the letters received.
Correspondence on chronometers, 1823 - 1834
Letters from H.C. Cox, the Agent of Devonport, on the receipt and weekly rates of chronometers, with brief reports on the chronometers' performances. There are also letters from W. Shield and P.D.H. Hay.