Vintage Pickett Slide Rule Model N902-ES Simplex Trig w Case

Pickett slide rules, manufactured by the Pickett & Eckel, Inc., were known for their aluminum construction and precise scales. This model likely dates back to the mid-20th century, a period when slide rules were widely used by engineers, scientists, and students before the advent of electronic calculators.

Condition: Used · Seller: gerryw717.dolls · 99.5% positive · 5063 ratings

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