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Letter from David Riz on a perpetual log, 1790-01-20

Reference Code: GBR/0180/RGO 14/31: 3-5

Scope and Contents

Letter to the Board of Longitude written on behalf of Mr Castriote of Portugal, who had invented a repeating or perpetual log and two further machines which he wished to present before the Board.


  • Creation: 1790-01-20


Conditions Governing Access

From the Management Group:

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3 folio(s) (3 ff.) : Paper

Language of Materials



Riz, David

Original geographic information

Hoxton [origination]

Original geographic information

London [destination]

Finding aid date

2011-11-29 16:51:22+00:00


Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
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Cambridge CB3 9DR United Kingdom