The museum is open Fridays through Tuesdays 11 a.m. to 4 p.m. Free timed-entry passes are required. Review our latest visitor safety guidelines.

Numeral Frame on Floor Stand

Numeral Frame on Floor Stand

<< >>
Usage conditions apply
Downloads
Description
This mounted teaching abacus has ten horizontal wires held in a wooden frame. A metal rod at the base fits into a wooden floor stand. Ten large wooden beads are on each wire. Each row of beads is a differently colored to suggest the different numbers that sum to 10. Thus the first row has four green beads, three red beads, two blue beads and one yellow bead. The second row has two green beads, three red beads, three blue beads, and two yellow beads. The third row has one green bead, three red beads, three blue beads, and three yellow beads. The fourth row has two red beads, four blue beads, and four yellow beads. The firth row has five red beads and five blue beads. The sixth row has four blue beads and six yellow beads. The seventh row has three green beads and seven ted beads. The eighth row has two blue beads and eight yellow beads. The ninth row has one green bead and nine read beads. The tenth row has ten blue beads. Attached behind the beads is a sliding blackboard.
Location
Currently not on view
Object Name
abacus
numeral frame
Physical Description
wood (beads, frame, stand, blackboard material)
metal (crosspieces, joint material)
Measurements
overall: 216.5 cm x 58 cm x 33 cm; 85 1/4 in x 22 27/32 in x 13 in
ID Number
2014.0293.03
catalog number
2014.0293.03
accession number
2014.0293
Credit Line
Dr. Richard Lodish American School Teaching Collection
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Arithmetic Teaching
Abacus
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object