Suan-p'an, or Chinese Abacus

Description
This abacus fits in a black wooden box with a wooden cross piece. Eleven parallel bamboo rods carry seven beads each. Two beads are above the cross piece, five below. The beads are rounded, like those on Chinese abaci. One rod is broken and another cracked. The abacus was received as a gift from the Department of Mathematics of Brown University in 1973. There are no marks by a maker.
Location
Currently not on view
place made
China
Physical Description
bamboo (overall material)
wood (overall material)
Measurements
overall: 2 cm x 19 cm x 12 cm; 25/32 in x 7 15/32 in x 4 23/32 in
ID Number
MA.304722.01
catalog number
304722.01
accession number
304722
Credit Line
Gift of Brown University Department of Mathematics
subject
China
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Abacus
Many Voices, One Nation
Data Source
National Museum of American History, Kenneth E. Behring Center

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