Catalogue description papers, principally rel to signal codes of his own devising

This record is held by National Museum of the Royal Navy

Details of 2000/59
Reference: 2000/59
Description: papers, principally rel to signal codes of his own devising
Date: c1792-1826
Held by: National Museum of the Royal Navy, not available at The National Archives
Other reference: See Annual Return 2000

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