Cooper wheel with iron axel in Western Han Dynaty
Collected in Yangzhou Han Guangling Tomb Museum
16.2 cm in diameter, 3 cm in thickness
Unearthed in II tomb Shenju Mountain Gaoyou, Yanzhou in 1980
The Iron shaft is severely corroded, but the copper wheel is well-preserved. This copper wheel is mounted on the sleepers to push the coffin.