| Native Name | Pobaekcheok | 포백척 | Cha Chim Chuk |
| Object Number | 16812 |
| Current Location | Collections Storage |
| Provenience | Korea |
| Period | 19th Century | Joseon Dynasty |
| Date Made | 19th Century - 1893 CE |
| Section | Asian |
| Materials | Lacquer | Mother-of-Pearl |
| Technique | Lacquered | Inlaid |
| Iconography | Big Dipper |
| Inscription Language | Chinese Language |
| Description | Yard stick ja (자) known as a pobaekcheok (포백척) which is used to measure cloth. Black lacquer with mother of pearl inlay. Has Chinese characters and the big dipper (Korean: Chilseong 칠성) on the side. |
| Length | 51.5 cm |
| Width | 1.7 cm |
| Credit Line | Purchased from Korean Commissioner, World's Columbian Exposition, 1893 |
| Other Number | ED818 - Museum Education Number |
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