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 /

Bibliographic Details
Main Author:	Wilkins, John, 1614-1672
Format:	eBook
Language:	English
Edition:	The second edition.
Subjects:	Cryptography > Early works to 1800.
Online Access:	Connect to the full text of this electronic resource

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