OLD HEAVY BRASS MEASURING INSTRUMENT WHAT IS IT? I'M STUMPED ! CHOTCHKIE $31.00 USD Sold on: 2013-Feb-21 Marketplace: eBay 3 Treasure 0 Trash 100% Detail: Well, never seen one of these so all I can do is describe: 3" diameter solid brass instrument, has small magnifier on top that moves byturning the knob next to it. this turns a pointer along an arc'ed... More Relevance Historical Items
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