A brief history of Chronometer testing and repair at the Royal Observatory
Evacuation to Bristol and Bradford on Avon (1939–1948)
Chronometer Section: 1914–1981 (by William Roseman)
A Place for Managing Government Chronometers: Early Chronometer Service at the Royal Observatory Greenwich (pdf). Yuto Ishibashi, The Mariner's Mirror, 99:1, 52-66, (2013). Alternative link
A history of chronometers and their testing at Greenwich by Henry Dent Gardner published under the title The Ship's Chronometer. Journal of the Royal United Service Institution, Whitehall Yard, Vol 34 (1890-91)
The Chronometer Rooms at Greenwich
Extracts from the Reports of the Astronomer Royal relating to chronometers (1912–1964)
The staff of the Chronometer Department
Rates of chronometers and watches on trial at the Observatory, 1766–1915
Statistics relating to the chronometer trials (1822–1915)
Report by Albert G Winterhalter on the rating of chronometers at Greenwich from Notes of a visit to certain European observatories and other institutions in 1887 forming Part 2 of Transactions of the International Astrographic Congress, held in Pairs, April, 1887, which was published as Appendix 1 of Observations made during the year 1885 at the United States Naval Observatory
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