Vintage Keuffel & Esser (K&E) slide rule model 4088-3 Decitrig Log Log Duplex, made in the USA. A higher-end engineering slide rule designed for advanced calculations including logarithmic and trigonometric functions.

Includes original leather case.

Condition:

• Shows normal vintage wear and age-related marks

• Scales remain legible

• Slide and cursor move smoothly

• Case shows wear from age and use

Model number (4088-3) is clearly marked on the rule.

A great piece for collectors, engineers, or display.

Please review all photos for condition details.

Ships securely packaged.

Location bin SR