Bombe correspondence

Roosevelt

SECRET

March 17, 1943

MEMORANDUM

From: The President

  • To: The Chairman, War Production Board
  • Subject: Navy Contract NSx 7892
  • 1. Please insure that Navy Contract NXs 7892 is given the highest possible preference rating (AAA) commencing this date.
  • Copy to:
  • Vice Chief of Naval Operations
  • Chief of Staff, U. S. Army

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    WHO worked during the war? Find the Personnel section. Also, Joseph R. Desch
    WHAT were their goals? By the Numbers. Also, The US Bombe
    WHY? History of the Bombe Project A contemporary account of the reasons and the plans for their project for the Director of Naval Communications, 1944.
    WHERE was the project: In Dayton, it was in Building 26. In Washington, it was housed at the Naval Communications Annex

    • Stray Thoughts in the Information Age

      Leibniz (1646-1716) saw binary coding as the key to a universal language and credited its invention to the Chinese, seeing in the hexagrams of the I Ching the remnants of “a Binary Arithmetic .. which I have rediscovered some thousands of years later.” Leibniz’s notes show the development of simple algorithms for translating between decimal and binary notation and for performing the basic functions of arithmetic as mechanically iterated operations on strings of zeros and ones.

      —Turing’s Cathedral, George Dyson

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