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Vintage Slide Rule in Box [161549]

Currency:USD Category:Western Americana Start Price:50.00 USD Estimated At:100.00 - 200.00 USD
Vintage Slide Rule in Box [161549]
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Before computers and calculators slide rules were the standard for mathematical calculations. These mechanical devices functioned as analog mechanical computers in their day. Made by Keuffel & Esser Co, NY in original leather cases and cardboard box. Inside of leather case has Jim Sherman 1958-1961 in ink. With original instruction manual. Box 11.5" long.

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Provenance: Jim & Barbara Sherman Private Western Mining Museum