Evans, Frederick John Owen, 1815 - 1885 (hydrographer)
Found in 28 Collections and/or Records:
Correspondence on chronometers, 1865 - 1868
Correspondence on chronometers, 1868 - 1872
Correspondence on chronometers, 1872 - 1875
Correspondence on the rates of, repairs to, damage to, ownership of, conversions to, and carriage of various chronometers. The volume covers the Burdett-Coutts prize essay for a compensation balance; problems with the Portsmouth sidereal clock; and proposals for a new electric turret clock at the University of London. The correspondents include F.J.O. Evans, H.C.G. Rümker, C.A.F. Peters, G.H. Richards, C. Wheatstone, C.V. Walker and W.B. Carpenter.
Correspondence on chronometers, 1875 - 1876
Correspondence on the ownership of, rates of, accounts of, listings of, repairs to, and packing of various chronometers. The volume includes papers on the defects and repairs to the Portsmouth sidereal clock; trials of new deck clocks; a report on the establishment and inspection of a new electric turret clock for London University; and enquiries on the Greenwich sidereal standard clock by J.W. Reffitt. The correspondents include F.J.O. Evans, R. Hall, W.B. Carpenter and W.H.M. Christie.
Correspondence on time balls and signals, 1870 - 1875
Correspondence on time balls and signals, 1875 - 1878
Correspondence on visitor admissions, 1866 - 1872
Correspondence on visitor admissions, 1868 - 1876
Correspondence regarding time signals, 1879 - 1893
Papers for lectures on ship's magnetism, 1864 - 1865
Papers on buildings and grounds, 1862 - 1867
Papers on chronometer improvements, 1870 - 1878
Papers on chronometer trials, 1869 - 1872
Correspondence and papers concerning entrants and ratings for the annual competitive chronometer trials. The volume includes ratings of repaired chronometers and regulations on the purchase and exchange of chronometers. The correspondents include W.H.M. Christie, W. Harkness, G.H. Richards, F.J.O. Evans and various chronometer makers.
Papers on chronometer trials, 1873 - 1876
Correspondence and papers concerning entrants and ratings for the annual competitive chronometer trials. The volume includes papers on the handling of chronometers and the exchange and purchase of chronometers, most notably for the Arctic expedition. The correspondents include G.H. Richards, F.J.O. Evans, T. Nelson and various chronometer makers.
Papers on compass corrections on iron ships, 1855 - 1857
Papers on compass corrections on iron ships, 1857 - 1861
Papers on compass corrections on iron ships, 1861 - 1868
Papers on compass corrections on iron ships, 1854 - 1875
Papers on determining galvanic longitudes, 1870 - 1877
Papers on determining galvanic longitudes, 1878 - 1888
Papers on Government superintendence, 1873 - 1875
Papers on instruments, 1875 - 1888
Papers on magnetic experiments, 1861 - 1872
Papers on magnetism, 1845 - 1861
Papers on magnetism, 1862 - 1872
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