Abacus
29 rows of beads with 2 beads on top level and 5 beads on bottom level; backing board, frame, posts and beads of zitan; frame reinforced with brass plates at corners and between levels at edges; central row and 5th row in from each side have metal posts
- Date
- c. 1800
- In our collection
- since August the 19th, 2014 up to now
- Dimensions
- 7 9/16 x 32 5/16 x 1 3/8 in. (19.2 x 82.1 x 3.5 cm)
- Location
- Not on View
- Medium
- Huang-hua-li and t'zu-tan hardwood
- Price
- Loading...
- Composition
-
oxygen 87% copper 11% atium 2%