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This is an original advertisement for the 1953 IBM 701 Scientific Calculator Computer Pluggable Unit with 8 vacuum tubes called “The Modern Abacus” (note – this is a rare original and seldom found ad). The 1953 IBM 701 computer was the most powerful machine of the period and was used in business and especially USA government defense for calculations. This was the first of IBM’s 700 series of scientific computers. The Advertisement calls this the “Modern Abacus”. A portion of advertisement reads: “Resembling a Chinese abacus, this electronic assembly operates at a speed of one million pulses a second. It is one of 274 similar electronic units that perform the computing and control functions for the 701 computer…….”. On backside is a Camel Cigarette advertisement with famous endorsers like Mickey Mantle (Baseball), Zoe Ann Olsen (Olympics), Julius Boros (Golf) and Pauline Betz (Tennis). In our eight, 10, years we’ve only found one, 1, of these original advertisements. If you are a computer historian, this is truly a beautiful and very rare piece of computing history from 54+ years ago.
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