patentdorf's profile on Yahoo!

patentdorf's Updates

Wednesday December 2, 2009

posted a message to "You're right!!" in the sliderule group

06:07 pm pst

posted a message to "Relisting" in the sliderule group

06:01 pm pst

Monday November 30, 2009

posted a message to "Slide rule listed on ebay" in the sliderule grou…

10:09 pm pst

Tuesday November 17, 2009

posted a message to "Re: Antique brass Gunters scale slide rule ruler…

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