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Monsieur Duhamel on two new methods of finding the longitude, 1820

Reference Code: GBR/0180/RGO 14/35: 370-278

Scope and Contents

Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.


  • Creation: 1820


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From the Management Group:

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9 folio(s) (9 ff.) : Paper

Language of Materials



Duhamel, Le Duc

Finding aid date

2011-11-30 18:18:38+00:00

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom