1993.12.2

Large Abacus

Cranmer, Terrence V., designer

Abacus has large beads arranged in 13 columns of 1 bead above the bar and 4 below. The frame is made of black plastic with an enclosed back. Steel rails. Underneath the beads is a thin piece of plastic on top of a red felt liner that rests on a foam rubber backing. The letters "A.P.H." are raised on the front of the frame at top center. Along the bar and the bottom front of the frame are raised column and unit markings.

H-4.5 W-8.25 D-0.75 inches

ca. 1965

American Printing House for the Blind

Louisville, KY

The large abacus was developed for young students or those without fine motor skills. It was introduced at APH between 1972 and 1977, and was based upon the original Cranmer Abacus design, introduced in 1963.

Gift of Mary Higgins, 1993.12