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Joseph Bonasera's instrument for finding longitude known as 'l'horison de la longitude', 1791 - 1792

Reference Code: GBR/0180/RGO 14/38: 170-197

Scope and Contents

Two letters and two papers, with a related note from Daniel Powell & Sons, a London-based firm which forwarded Bonasera's work to the Board.


  • Creation: 1791 - 1792


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 (


18 folio(s) (18 ff.) : Paper

Language of Materials



Bonasera, Joseph

Finding aid date

2011-12-07 18:01:38+00:00

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom