Accession Number: 2003.185.127
Description: Made of white plastic, it has five rows of rotating wheels, each marked with the braille numerals 0-9, arranged in 5 columns and permanently affixed to the calculaid board; addition, subtraction, and multiplication signs appear on a wheel at the left of each row; frame at the top of the board can hold a Numberaid (an abacus also designed by Schott). "Calculaid" --appears in the plastic at top left.
Date Made: ca. 1963
Maker: Schott, Andrew F.
Place of Origin: Louisville, KY
Collection: KSB Collection
History/Provenance: KSB Collection
Credit Line: Gift of the Kentucky School for the Blind, 2003.185
Subjects: Abacus Instructional aids, tools, and supplies Mathematics
Dimension Notes: 11 3/4 x 8 x 1 1/2 in.
Made: American Printing House for the Blind
Material: Plastic
Updated: 10/25/2017
