Mercvry, or, The secret and svvift messenger shewing, how a man may with privacy and speed communicate his thoughts to a friend at any distance. - Wilkins, John, 1614-1672.; Kinnaston, Francis, Sir, 1587-1642. (London : Printed by I. Norton, for Iohn Maynard and Timothy Wilkins ..., 1641)
Commendatory poems by Sir Francis Kynaston and others.
Reproduction of original in Cambridge University Library.
Wing
Microfilm.
Keywords: Cryptography -- Early works to 1800.