Accession Number: 1994.14.9
Description: Abacus prototype has 11 columns with 1 bead above the bar and 5 beads below. The beads are small iridescent glass beads used for making rosaries. The frame, made of wood topped with piano-key ivory, is glued into a plastic holder. Beneath the metal rods that hold the beads is a red felt liner that is backed with a piece of foam rubber resting on a piece of cardboard. On the reverse of the cardboard is an ad for Dr. Scholl's foot supplies.
Height: 2.7
Width: 5
Depth: 0.4
Date Made: 1961
Maker: Cranmer, Terrence V., designer
Place of Origin: Louisville, KY
Collection: Gissoni Abacus Collection
History/Provenance: Gissoni Abacus Collection
Credit Line: Gift of Fred Gissoni, 1994.14
Subjects: Abacus Mathematical instruments Prototypes Instructional aids, tools, and supplies
Made: Terrence V. Cranmer
Material: Wood, plastic, ivory, metal, glass, rubber
Updated: 05/11/2021