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Unpublished paper, 'An account of some operations executed at Cape Frio [Cabo Frio] by the officers and crew of HMS Algerine, for the purpose of raising part of the stores etc lost in HMS Thetis' by Commander J F F [John Frederick Fitzgerald] De Roos

Reference number: AP/18/7

Date: 1834

Description

De Roos shares his account of the recovery of treasure from the wreckage of HMS Thetis off the south west coast of Cabo Frio [Brazil]. With five illustrations showing the recovery of stores and treasure from HMS Thetis.

Subject: Engineering

Received 14 January 1834 by John George Children.

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 3 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'An account of some operations executed at Cape Frio, by the officers and crew of His Majesty's ship algerine, for the purpose of raising a part of the stores, &c. lost in His Majesty's ship thetis'.

Reference number
AP/18/7
Earliest possible date
1834
Physical description
Ink on paper
Page extent
39 pages
Format
Manuscript

Creator name

John Frederick Fitzgerald De Roos

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Citation

John Frederick Fitzgerald De Roos, Unpublished paper, 'An account of some operations executed at Cape Frio [Cabo Frio] by the officers and crew of HMS Algerine, for the purpose of raising part of the stores etc lost in HMS Thetis' by Commander J F F [John Frederick Fitzgerald] De Roos, 1834, AP/18/7, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_18_7/unpublished-paper-an-account-of-some-operations-executed-at-cape-frio-cabo-frio-by-the-officers-and-crew-of-hms-algerine-for-the-purpose-of-raising-part-of-the-stores-etc-lost-in-hms-thetis-by-commander-j-f-f-john-frederick-fitzgerald-de-roos, accessed on 09 May 2026

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  • Archived Papers

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

    Dates: 1768 - 1989

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