Object Details
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.
Credit Line
Gift of Brown University Department of Mathematics
ID Number
MA.304722.01
catalog number
304722.01
accession number
304722
Object Name
abacus
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
place made
China
See more items in
Medicine and Science: Mathematics
Abacus
Science & Mathematics
Many Voices, One Nation
Exhibition
Many Voices, One Nation
Exhibition Location
National Museum of American History
Data Source
National Museum of American History
Subject
Mathematics
Link to Original Record
Record ID
nmah_690527