Keuffel & Esser 10’Rule. - $45

condition: excellent

make / manufacturer: K&E

model name / number: 68-1100

size / dimensions: 10”

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This is a vintage Keuffel & Esser (K&E) 10-inch slide rule, likely model 68-1100, which includes a leather protective case.Model Details: The Deci-Lon was a popular, high-end slide rule used by engineers and students, featuring 26 distinct scales for complex calculations.Historical Significance: These instruments were the standard for scientific and engineering calculations before portable electronic calculators became common in the mid-1970s., asking $45, south Salinas.

post id: 7937578033

posted: 2026-05-29 17:00

updated: 2026-10-03 19:30

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Keuffel & Esser 10’Rule. - general for sale - by owner - craigslist

This is a vintage Keuffel & Esser (K&E) 10-inch slide rule, likely model 68-1100, which includes a leather protective case.Model Details: The Deci-Lon was a popular, high-end slide rule used...