"
After some debate, Colonel A---- wrote down and handed me two lines in
a cipher whose character at once struck me as very remarkable.
"I grant," said I, "that these hieroglyphics might well puzzle a more
practised decipherer than myself. Still, I can point out even here a
clue which might help detection. There occur, even in these two lines,
three or four symbols which, from their size and complication, are
evidently abbreviations. Again, the distinct forms are very few, and
have obviously been made to serve for different letters by some slight
alterations devised upon a fixed rule. In a word, the cipher has been
constructed upon a general principle; and though it may take a long
time to find out what that principle is, it affords a clue which,
carefully followed out, will probably lead to detection."
"You have perceived," said Colonel A----, "a fact which it took me
very long to discover. I have not deciphered all the more difficult
passages of the manuscript from which I took this example; but I have
ascertained the meaning of all its simple characters, and your
inference is certainly correct.
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