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Howard Aiken's Third Machine: The Harvard Mark III Calculator or Aiken-Dahlgren Electronic Calculator
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James Mazzola on Twitter: "September 9,1947–1st computer bug found: A moth lodges in a relay of a Harvard Mark II computer at Harvard Univ. https://t.co/GLUmT8knNe" / Twitter
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File:RCA Mark II Sound Synthesizer, Computer Music Center at Columbia University, NIME2007.jpg - Wikimedia Commons
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Colossus Computer Mark 2 at Bletchley Park Bletchley Milton Keynes Buckinghamshire England UK Stock Photo - Alamy
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