Abacus counting frame
Accession
Identifier: MUS-899
Content Description
Abacus counting frame from China. Very fast in modern tests with adding machines. Made of a wooden box 1/2" high. 6 1/2" by 2 1/2". Case holds 5 and 7 upright sticks, each having 5 knobs which slide. One knob each below a cross-bar running the length of the board.
Acquisition Type
Gift
Restrictions Apply
No
Dates
- 1500-1950
Extent
1 items ; 6 1/2" by 2 1/2"
Source
- Wirt, Loyal L., Dr. (Donor, Person)