在安徽省淮南市博物馆里,珍藏着一件罕见的北斗七星形西汉时期铜带钩。由于此带钩长期埋在地下,受水土浸蚀,器身呈灰绿色斑驳,但仍保存完好。整器由七颗圆形铜球,模拟天空北斗七星,组成斗魁、斗柄。斗魁四星、斗柄三星,星与星之间依次由六根直径略小于星球径的圆柱体连接而成,在斗魁 Huainan City Museum in Anhui Province, treasured a rare dipper in the Western Han Dynasty copper belt hook. Because of this hook buried in the ground for a long time, affected by erosion, the body was gray-green mottled, but still intact. The device consists of seven round copper ball, simulating the sky Big Dipper, composed of fighting, fighting handle. Qui Kui four-star, bucket handle Samsung, between the stars and stars in turn by the six slightly smaller diameter than the diameter of the cylinder connected to the cylinder,