An Initial View of Ultra as an American Weapon

by Cryptography, Ernest L. Bell

$50 · Offered by Lorne Bair Rare Books · No longer available

Signed

Keene, NH: TSU Press, 1977 . No statement of printing or edition. Inscribed illegibly on title page, signed by the author undated . Quarto 28cm . Side-stapled sheets; printed from typescript; 110pp. Fine. An attempt to reconstruct the history and chronology of the tactical use of Ultra – the top-secret decryption technique pionered at Bletchley Park in England – by American forces in WW2. At the time

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