HMS Beagle References Bibliography "Ship's chronometer from HMS Beagle", The British Museum, retrieved 8 June 2010, archived 1 October 2010. "Marine chronometer", British Museum database, object ID 1958,1006.1957, retrieved 1 January 2012, archived 1 January 2012. "Ship's chronometer from HMS Beagle", A History of the World, BBC, retrieved 8 June 2010, archived 1 October 2010. "Earnshaw No. 509", Ledger of Receipts and Issues of Chronometers, pp. 165,1126, Greenwich Observatory. The Nautical Magazine, vol.2', Brown, Son and Ferguson, 1833. Frome, Edward Charles, Outline of the method of conducting a trigonometrical survey, for the formation of geographical and topographical maps and plans: military reconnaissance, levelling, etc., J. Weale, 1850. King, Philip Parker; Darwin, Charles; Fitzroy, Robert, Narrative of the Surveying Voyages of His Majesty's Ships Adventure and Beagle, Between the Years 1826 and 1836 Appendix to Volume 2, p. 345, London: H. Colburn, 1839. Macdonald, Fiona, Inside the Beagle with Charles Darwin, Salariya Publishers, 2005 . Mercer, Vaudrey, "The life and letters of Edward John Dent, chronometer maker, and some of his successors", Antiquarian Horological Society monograph, no.13, Antiquarian Horological Society, 1977 Nicholas, F. W.; Nicholas, Janice Mary, Charles Darwin in Australia, Cambridge University Press, 2002 . Parry, William Edward, Journey of a Voyage for the Discovery of a North-West Passage from the Atlantic to the Pacific, London: John Murray, 1821. Sobel, Dava; Andrewes, William J. H., The Illustrated Longitude, Fourth Estate, 1998 . Taylor, James, The Voyage of the Beagle: Darwin's Extraordinary Adventure in Fitzroy's Famous Survey Ship, Anova Books, 2008 . Further reading David Thompson, Saul Peckham, Clocks, London, The British Museum Press, 2004 . Rupert T. Gould, The Marine Chronometer, Holland Press 1960 William J. H. Andrewes, The Quest for Longitude, Collection of Historical and Scientific Instruments (US)1996 Anthony Randall, Richard Good, Catalogue of Watches in the British Museum: Volume 6, Pocket Chronometers, Marine Chronometers and Other Portable Precision Timekeepers, The British Museum Press, 1990 . External links Pocket chronometer used on board HMS Beagle, National Museum Australia'', archived 1 Jan 2012 Horology Prehistory and Europe objects in the British Museum HMS Beagle Individual clocks in England