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Early Slide Rule K&E with Leather case, 1890s [137447]

Currency:USD Category:Collectibles Start Price:75.00 USD Estimated At:150.00 - 200.00 USD
Early Slide Rule K&E with Leather case, 1890s  [137447]
SOLD
65.00USD+ (16.25) buyer's premium + applicable fees & taxes.
This item SOLD at 2021 Aug 05 @ 16:54UTC-7 : PDT/MST
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The manual is copyright 1891 so the slide rule is potentially 1890s. This is a very early version of one of the most scientific computing devices.

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