Cryptography by Andre Langie – Book – Heldman Estate


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Product Description

Hardback. Good condition.

“My object in writing this book is simply to explain what cryptography is, and to recall what it has been from antiquity to the present day; in short, to relate my experiences as a decipherer. The first part of the volume contains a description of the principal systems of cryptography, together with a note on the role played by cryptography in history. In the second part I relate how I succeeded in deciphering a dozen cryptograms of various kinds.

In some chapters of this section I give the texts just as they came into my hands; but in the majority of cases, though preserving the system of cryptography actually employed, I have, on grounds of expediency, substituted an approximate reading for the actual text and have modified the plan, and even radical features of the narrative in such a way as to render abortive any attempt at identification and localization.” – The Author Andre Langie

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