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Observations made on a voyage, 1776-1777, 1776-08-02 - 1777-04-27

Reference Code: GBR/0180/RGO 14/67: 71-80a

Scope and Contents

Observations made on Captain Cook’s third voyage. Includes summarised daily entries providing the date, estimates of latitude and longitude, bearings and distance, variation of the compass, and thermometer readings, along with intermittent entries of astronomical calculations.
The ship travelled via Madeira and via Port Praya in St. Iago towards the Cape of Good Hope, anchoring at Table Bay on 10 November 1776 [RGO 14/67: 76v]. There are no entries for December 1776 or January 1777. Observations resume with sporadic entries for February and March which include calculations of longitude from Adventure Bay, Van Diemen’s Land [Tasmania] and from Cape Palliser, New Zealand.


  • Creation: 1776-08-02 - 1777-04-27


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 (


12 folio(s) (12 ff.) : Paper

Language of Materials



[Cook, Captain James; King, James; Bayly, William]

Original geographic information

Cape of Good Hope [subject]

Original geographic information

Madeira [subject]

Original geographic information

New Zealand [subject]

Original geographic information

São Tiago [subject]

Original geographic information

Table Bay [subject]

Original geographic information

Tasmania [subject]

Finding aid date

2011-12-17 15:33:32+00:00

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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