'Thoughts on several plans combining a system of universal signals by day and night'...

'Thoughts on several plans combining a system of universal signals by day and night'... by John McArthur with many manuscript additions and a letter dated 2 November 1804 to the brother of Mr Elphinstone (Formerly SC01)

Record Details

Item reference: SIG/D/3
Catalogue Section: Manuscript volumes acquired singly by the Museum
Level: ITEM
Date made: 1804-01-01 - ?; 1804
Credit: National Maritime Museum, Greenwich, London