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Earnshaw, Thomas, 1749 - 1829 (maker of watches and chronometers)

 Person

Found in 2 Collections and/or Records:

 File

Confirmed minutes, 1780 - 1801

 File
Reference Code: GBR/0180/RGO 14/6
Scope and Contents Minutes of Board of Longitude meetings regarding, among other matters, the rates of various chronometers; Charles Hutton's tables of products, powers and roots of natural numbers; the voyages of HMS 'Resolution' and HMS 'Discovery' and the examination of their log books; John Arnold's improvements to his watches; a suitable site for the Board of Longitude's instruments after the burning of the cupola of the Greenwich Hospital where they had been kept; improvements to reflecting telescopes;...
Dates: 1780 - 1801
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Confirmed minutes, 1802 - 1823

 File
Reference Code: GBR/0180/RGO 14/7
Scope and Contents Minutes of Board of Longitude meetings regarding, among other matters, tables devised by José Mendoza de Ríos; correspondence with John Crosley (the astronomer with the expedition to New South Wales); a claim for a reward for Charles Mason's work on lunar tables; a report on the Arnold and Earnshaw chronometers going on the voyage of Captain Matthew Flinders; grants and awards to chronometer-makers; the observations of Nathaniel Bliss when he was Astronomer Royal; models of watch escapements...
Dates: 1802 - 1823
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).

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  • ARCHON code (for CUL materials): Royal Greenwich Observatory (GBR/0180) X
  • Subject: New South Wales X

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Astronomical observatories 1
Astronomy 1
Atlantic Ocean 1
Australia 1
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