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$8.00
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Vintage Keuffel & Esser (K&E) Log Log slide rule with original leather carrying case. Slide rules like this were widely used by engineers, scientists, and students for mathematical calculations prior to the introduction of electronic calculators.
The slide rule features multiple scales and a clear sliding cursor for precise calculations. The original brown leather case is included and embossed with “K&E Log Log.”
Features:
• Keuffel & Esser slide rule
• Log Log engineering calculation scales
• Clear sliding cursor
• Metal end brackets
• Original brown leather case
Condition:
Shows light wear consistent with age and use. Leather case has scuffs and edge wear. Slide rule appears intact with readable scales.
A classic scientific instrument and collectible piece of engineering history.