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Binary marble adding machine
09-04-2014, 02:09 AM
Post: #3
RE: Binary marble adding machine
Thomas, that is a really neat machine, thanks for sharing this with us. I am tempted to ask my wife's father, who is an expert woodworker, to make one of these for me.
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RE: Binary marble adding machine - Don Shepherd - 09-04-2014 02:09 AM



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