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


Found in 1 Collection or Record:


Summaries of observations made between December 1801 and July 1802, 1801-12-12 - 1802-07-18

Reference Code: GBR/0180/RGO 14/64: 55v-60v
Scope and Contents

Includes accounts of the rates and errors of the timekeepers by Earnshaw and Arnold, and summaries of observations to determine longitude made in Princess Royal Harbour, at Bay 10, in Port Phillip Bay and at Cattle Point on the east side of Sydney Cove, Port Jackson.

Dates: 1801-12-12 - 1802-07-18
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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (

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  • Subject: Port Phillip Bay X