Item
Cipher key enclosed in SP 35/71/61.
Catalogue reference: SP 35/71/62
Date: Undated [1719-1722]
Cipher key enclosed in SP 35/71/61.
Item
Catalogue reference: SP 35/30/32
This record is about the Folio 82. From Samuel Coignand. To [Charles, Viscount Townshend]. That he has invented... dating from 1722 Feb 15 in the series Secretaries of State: State Papers Domestic, George I. It is held at The National Archives, Kew.
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Folio 82. From Samuel Coignand. To [Charles, Viscount Townshend].
That he has invented an unbreakable cipher and something to propose if the examples and explanation enclosed meet with Townshend's approval.
SP 35
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Records assembled by the State Paper Office, including papers of the Secretaries...
Secretaries of State: State Papers Domestic, George I
Letters and papers. (Described at item level)
Folio 82. From Samuel Coignand. To [Charles, Viscount Townshend]. That he has invented...
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