MAS 346 Circular Slide Rule

Rule, Slide

Accession Number: 2003.185.119

Description: Black vinylite disc with braille and raised dot markings on the face side. On each side of the disc, at center, is fastened a white plastic pointer. The pointer on the back side extends over the edge of the disc to point to markings around the outer edge of the face side. On the back, at center, in raised letters and numbers: MAS 346, Slide Rule, and the AFB logo.

Date Made: ca. 1950

Place of Origin: New York

Collection: KSB Collection

History/Provenance: KSB Collection

Credit Line: Gift of the Kentucky School for the Blind, 2003.185

Subjects: Instructional aids, tools, and supplies Mathematics Slide rules

Made: American Foundation for the Blind

Material: Rigid plastic

Updated: 06/29/2021