what the heck is this?

mrbill2084

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I have never seen anything like it. It looks like an old home game, an abacus, or something like that.



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It looks home made. I wonder how your suppose to play it? Any tags or other information that may identify a manufacturer?

Brian

Brian
 
These are used to teach the law of statistics in things that seem random. Most of the time in applications like Staistical Process Control.
 
Here it is called a Galton board

http://www.youtube.com/watch?v=DqibLtRu0gc&list=PLDF301534C65CED18

I have only seen one as complex as the one you show. It allows the person to run and keep 3 seperate samples at each of the three black lines to show a bell curve or generate shifts left and right by sliding the yellow triangle and forcing a greater number of balls to generate more drops in area and make a seemingly random curve.
 
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