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Vintage SPIRULE Walter R. Evans Root Locus Slide Rule w/ Instructions & Envelope For Sale
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Vintage SPIRULE Walter R. Evans Root Locus Slide Rule w/ Instructions & Envelope:
$200.00
The Vintage SPIRULE Walter R. Evans Root Locus Slide Rule from 1959 is a rare and collectible piece for those interested in technology, science, and engineering history. This original slide rule comes with instructions and is packaged in its original envelope, adding to its authenticity and value. With its color image and retro design, this item is sure to appeal to collectors and enthusiasts of vintage engineering tools.
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Related Items:
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