- Accession Number:
- 1992.369
- Description:
- The frame is made of black polystyrene. Abacus has red felt backing, white plastic beads, and 13 metal rods. Each rod holds 1 bead above the divider bar and four beads below. There are raised unit markers on the divider bar and at the bottom of the frame. "A.P.H." appears at the top of the frame in raised letters.
- Height:
- 3
- Width:
- 5.625
- Depth:
- 0.5
- Date Made:
- ca. 1963
- Maker:
- Cranmer, Terrence V.
- Place of Origin:
- Louisville, KY
- Collection:
- APH Collection
- History/Provenance:
- APH Collection
- Subjects:
- Abacus. Arithmetic. Instructional aids, tools, and supplies. Mathematics. Prototypes.
- Dimension Notes:
- overall
- Made:
- American Printing House for the Blind
- Material:
- Plastic, metal, felt
- Exhibit Label:
- Abacus
- Updated:
- 04/23/2014