Vintage Acumath Slide Rule Complete Set – Includes Protective Case & Instruction Manual

Vintage Acumath Mannheim Type Slide Rule Complete Set with Case & Manual

A great vintage engineering and drafting collectible! This complete Acumath No. 400 Mannheim-type slide rule comes complete with its original clear indicator cursor, tan vinyl protective sleeve, and original paper instruction manual published by Acu-Rule Manufacturing Co. (St. Louis, MO).

Perfect for vintage technology collectors, engineers, mathematicians, or as a display piece in a mid-century office or den setup.

Item Details & Specifications

• Brand/Manufacturer: Acumath / Acu-Rule Manufacturing Co. (St. Louis, Missouri)

• Model: Mannheim Type (No. 400)

• Country of Origin: Made in U.S.A.

• Scales Included: S, K, A, B, CI, C, D, L, T

• Set Includes: White slide rule with clear window cursor, original tan leatherette sleeve (~12" long), and original printed instruction booklet

Condition

• Very Good Vintage Condition: The slide rule body and cursor are clean with sharp, legible markings and smooth sliding action.

• The protective vinyl case remains soft and intact with light age-appropriate wear.

• The instruction manual shows light age toning but remains completely readable and intact. (Please review all detail photos for exact cosmetic condition).