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Essay and related letters on improvements to the method of finding latitude, 1821

Reference Code: GBR/0180/RGO 14/41: 156-168

Scope and Contents

Essay written by an unnamed seaman from Heligoland, with two forwarding letters from D.J. Thomson and John Barrow.


  • Creation: 1821


Conditions Governing Access

From the Management Group:

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13 folio(s) (13 ff.) : Paper

Language of Materials


Finding aid date

2011-12-17 10:17:52+00:00

Repository Details

Part of the Cambridge University Library Repository

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