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Source: 'The Sound of Freedom: Naval Weapons Technology at Dahlgren, Virginia,' by James P. Rife and Rodney P. Carlisle
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The Naval Ordnance Research Calculator (NORC) arrived at Dahlgren in 1955. At the time, the most powerful computer in the world, it used over 9,000 vacuum tubes and cut run 15,000 operations per second. (Dahlgren Historic Photograph Collection) |
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