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<p>[QUOTE=&quot;thebeav, post: 2558941, member: 8880&quot;]Back in 1982 made a pile of &#039;give-away&#039; Lincoln cent scales out of popsicle sticks. I glued a known copper cent (pre-&#039;82) on one end of the stick. I then placed the stick so the empty end was hanging over the edge of a table. I then placed another known copper on the empty end and moved the stick to the point where this second cent would cause the stick to topple off the table. I then drew a line on the stick where the table edge would be when the topple would occur. So then, anytime, you could set up the stick on a table top with the empty end hanging off the table and the line drawn on the stick at the table edge. When you put a zinc coin on the end of the stick, the stick would just sit there. When you put a copper coin on the end, it would topple. I must have made a hundred of these back then. Of course, back then, a digital scale cost a fortune, unlike today.</p><p>&nbsp;&nbsp; &nbsp; Excuse me if this has already come up as I didn&#039;t read this whole thread.</p><p>Paul</p><p><br /></p><p><img src="http://img.photobucket.com/albums/v430/thebusybeaver/1982%20scale_zpsnlldsusn.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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