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  1. #5 P2 Ralph Ellis: Pyramid Builders used Pythagorean Theorem, Pi & Royal Cubit.

    #5 P2 Ralph Ellis: Pyramid Builders used Pythagorean Theorem, Pi & Royal Cubit.

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  2. Ostroff: Was the Rifle too Big for the Backpack? Math & Specs in DESCRIPTN-Back Pack, Upper Receiver

    Ostroff: Was the Rifle too Big for the Backpack? Math & Specs in DESCRIPTN-Back Pack, Upper Receiver

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