东汉铜卡尺1992年5月在扬州市西北8公里的邗江县甘泉乡(今邗江区甘泉镇)顺利清理了一座东汉早期的砖室墓,从墓中出土了一件铜卡尺(见图),此铜卡尺由固定尺和活动尺等部件构成。固定尺通长13.3厘米,固定卡爪长5.2厘米、宽0.9厘米、厚0.5厘米。固定尺上端有鱼形柄,长13厘米,中间开一导槽,槽内置一能旋转调节的导销,循着导槽左右移动。在活动尺和活动卡爪间接一环形拉手,便于系 Eastern Han bronze caliper In May 1992 in Yangzhou City, 8 kilometers northwest of Qijiang County Ganquan Township (now Qijiang District Ganquan Zhen) to clean up an early Eastern Han Dynasty brick chamber tomb unearthed from the tomb of a copper caliper (see photo) This caliper consists of a fixed ruler and movable ruler and other components. Fixed ruler length 13.3 cm, fixed claw length 5.2 cm, width 0.9 cm, thickness 0.5 cm. The upper end of the fixed foot fish-shaped handle, 13 cm long, open a guide groove in the middle, the groove built a guide pin can be adjusted rotation, follow the guide groove around move. In the activities of the activities of the claw and an indirect ring handle, easy to fasten