November 28, 2006 by dottie.

Thanks to Nancy for this great link.

http://www.images2.jokaroo.net/videos/grandpajapan.wmv

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November 2, 2006 by dottie.

An interesting idea, but I’m not sure how accurate the rulers are.

http://www.vendian.org/mncharity/dir3/paper_rulers/

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