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Binary Marble Adding Machine

27Jun07

Just came across this amazing marble adding machine today. It’s so simple it’s beautiful. I loved woodwork and engineering in school. Seeing this makes me want to make something. Full details of it’s construction can be found here.

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  • Adrian,
    I never would have guessed when I created the character of Adrian
    Smith (from the first and last name of two accountants that I knew) that
    there were so many real ones out there. Thought you might get a kick
    out of my book and my web page.
    http://www.adriansmithcpa.com/
    Rich Neumann
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