An extract taken from Dr. Rees's new cyclopaedia on the article cipher
Subtitle: being a real improvement on all the various ciphers which have been made public : and is the first method ever published founded on a scientific principle, lately invented by W. Blair ... to which is now first added, a full discovery of the principle ...
By: by M. Gage
Publisher: Printed and sold by J.W.H. Payne
Published: 1809
Place of publication: Norwich
Language: eng
Number of pages: 25
Subjects: Ciphers; Cryptography
Notes: Signed by the author on p. [11].