Mercury, or, The secret and swift messenger : shewing how a man may with privacy and speed communicate his thoughts to a friend at any distance : together with an abstract of Dr. Wilkins's Essays towards a real character and a philosophical language - Wilkins, John; Asbach-Schnitker, Brigitte (J. Benjamins Pub. Co, 1984)
Originally published in 1707. Reprinted from the third edition: The mathematical and philosphicl works of the Right Reverend John Wilkins (1708).
Keywords: Cryptography : Early works to 1800; Language and languages; Philosophy : Miscellanea