Banking Telegraphy: Combining Authenticity, Economy, and Secrecy, a Code for the Use of Bankers and Merchants

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This work presents a unique code used by bankers and merchants in the 19th century for secure communication. Originally published in 1885 by Robert Slater, the code provided a system for transmitting messages while preserving confidentiality. This reprint is essential reading for anyone interested in the history of banking and communication.