| Collection |
Gissoni Abacus Collection |
| Credit line |
Gift of Fred Gissoni, 2006.7 |
| Date |
ca. 1960 |
| Description |
Large abacus designed for general abacus instruction. It can be hung on a wall or set on an easel. The open frame is made of wood and is painted black. It has 21 columns of 1 bead above the bar and 4 beads below. Three inch-wide metal markers slide along the horizontal bar. The beads are made of wood and painted orange with black trim. The rods are made of wood that is stained light red. The face of the horizontal bar is painted white. A wire is attached to the top for hanging. Corners of the frame are reinforced with metal pieces that are painted black and attached with red-painted tacks. |
| Dimensions |
H-11.5 W-43.5 D-2.75 inches |
| Dimension notes |
Beads are approx. 2 in. wide. |
| Made |
[Tomoe Soroban Company] |
| Material |
Wood, steel |
| Object ID |
2006.7.1 |
| Object Name |
Abacus |
| Place of Origin |
Tokyo, Japan |
| Provenance/History |
Fred Gissoni purchased this abacus and another (just like it) in Japan in 1963 for $16. He donated it to the Callahan Museum in 2006. |
| Subjects |
Abacus
Mathematical instruments |
| Title |
Large Japanese soroban |
