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Old 03-18-2018, 12:53 PM
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digr digr is offline
The Real Deal
Join Date: Apr 2005
Location: Duluth MN
Posts: 8,500

Found it in no time, went to google books and searched for "Popular mechanics" and opened the first one that came up, then to the left of the page there is another search box where I put "build a scale", then clicked on " search all issues" and it was the first one that came up.
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Last edited by digr; 03-18-2018 at 12:58 PM.
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