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29982Re: [midatlanticretro] Semi-OT: history of phone phreaking

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  • Evan Koblentz
    Mar 30, 2013
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      Whoa, I just found a mistake in the book.

      On page 233, Lapsley discusses Bell Labs' transition from relay-based switching stations to transistor-based ones. He wrote that by summer/fall 1955, the decision was made to build a computerized system. However, there was an obstacle: "Bell Labs had never built a computer before and its engineers had never written a line of computer code."

      That's wrong. Bell Labs developed TRADIC starting in 1954 and announced it to the public on March 14, 1955:
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