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Memorandum book, '1763 Observations at sea', 1763-09-20 - 1763-10-19

Reference Code: GBR/0180/RGO 218/2/1

Scope and Contents

A record of observations at sea with calculations and notes, including notes on observations of Jupiter's satellites and on his chronometers during his voyage to Barbados [to test John Harrison's chronometer H4].


  • 1763-09-20 - 1763-10-19

Conditions Governing Access

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 (


1 volume(s) (1 volume (32 pp.)) : Paper

Language of Materials


Physical Characteristics and Technical Requirements

This item is extremely fragile and must be handled with great care

Former / Other Reference

WRO 1390/2A

Existence and Location of Copies


Finding aid date

2016-06-07 11:44:33+00:00


Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom