Accession Number: 2006.7.3
Description: Small working abacus model designed to show adaptations for blind users. It has a white plastic frame, enclosed back, and six columns of white plastic beads arranged 1 above the bar and 4 below on rods made of piano wire. Beneath the beads is a red felt liner on top of foam rubber backing to keep the beads from moving once set.
Height: 3
Width: 3
Depth: 0.25
Date Made: 1962
Maker: Cranmer, Terrence V.
Place of Origin: Louisville, KY
Collection: Gissoni Abacus Collection
History/Provenance: Gissoni Abacus Collection
Credit Line: Gift of Fred Gissoni, 2006.7
Subjects: Abacus Mathematical instruments Prototypes Instructional aids, tools, and supplies
Made: Terence V. Cranmer
Material: Plastic, metal, felt, rubber
Updated: 04/23/2014
