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