BRYDONE, Patrick, physician & traveller (1736-1818). Autograph Letter Signed to an unidentified recipient, relating the news of the rift between David Hume and his former protégé Jean-Jacques Rousseau. Creation dates: 26 Sep 1766
CIPHERS. TARLETON, Banastre (1754-1833). Alpha-numeric cipher code used during the American Revolution to encrypt and decode messages passed between Banastre Tarleton and other British military officials and Benedict Arnold, with an explanation of the code. Sotheby's, London. Creation dates: La...