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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.


  • 1790-01-20


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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
West Road
Cambridge CB3 9DR United Kingdom

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.