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LOT #344
Keuffel & Esser "Thacher's Calculating" Slide Rule Instrument
c.1935, having a mahogany cylinder with numbers printed on accordion folded coated paper; original wood case with manufacturer plaque under lid
Estimate: $200 - $300
Hammer Price: $325
Dimensions: Height: 6 1/4 inches, Width: 23 3/4 inches (wood box)
Condition: Very Good, cylinder moves well; overall light wear consistent with age and normal use; light stains on numbers; wood box having heavy wear and a horizontal crack across the length of the lid and also the bottom
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