Unusual Vintage Hexadecimal converter: Smith Product Research, 1985. NOS
$9.95 USDSold on: 2014-Jan-04
Marketplace: eBay
Detail:
This is an unusual, vintage item. It's a Hexadecimal arithmetic converter, made from heavy cardboard, with pivoted wheels and windows to show the settings and results. It was made in 1985 by Smith Pro...
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