Object ID:
2003.185.119
Title:
MAS 346 Circular Slide Rule
Description:
Black vinelite 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.
Dimensions:
Dia-10 inches
Date:
ca. 1950
Made by:
American Foundation for the Blind
Place of Origin:
New York
Collection:
KSB Collection
Provenance:
Item was removed from the KSB History Room. The American Foundation for the Blind introduced their disc slide rule in 1946. This appears to be a later variation.
Credit Line:
Gift of the Kentucky School for the Blind, 2003.185
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Circular slide rule
Circular slide rule