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精品预展

西汉中晚期昭明透光镜
    发布时间: 2018-04-25 10:55    
西汉中晚期昭明透光镜
斷定/款識 汉代
Han dynasty
規格
Specifications
直径:11.5cm 重:356g
D:11.5cm W:356g
數量
Number
1件
1pc
起拍價
Starting price
3200000(HKD)
拍賣時間/地點
Auction time/place
2018 HK Spring Auction

镜背有连弧纹边亦阔亦厚,中央镜钮内圈有同心圆及八曲连弧纹,外圈有铭文:‘内清质以昭明,光像夫之日月不泄’每字中间各隔—(而)字。此镜的外形与一般青铜镜无误,但当光线照射镜面时,与镜面相对的墙上映出的影象与镜背纹饰相应,这就是所谓(透光)效应,现藏上海博物馆只宝馆藏铜镜(36)及台北故宫博物院编号(Li69.14).透光镜发明于西汉,著名的西汉透光镜还有八字铭文,隋唐之际王度的【古镜记】,宋周密,《云烟过眼线》等,都有开透光镜的记载,这种镜的效应实际不是透光而是映像,上海交通大学铸工教研认为,铜镜在铸造过程中,镜背的花纹凹凸处凝固收缩,产生铸造应力,研磨时又产生压应力,因而形成弹性形变,研磨到一定程度时,这些因素叠加地发生作用,使镜面产生与镜背花纹相应而肉眼不易觉察的曲率,引起(透光)效应,此类古物中国定为国家一级文物。现存世只有两块,属于博物馆级之收藏品。

On the back of the mirror, the edge of the arc is also wide and thick. The inner circle of the central mirror has concentric circles and eight curved lines. The outer ring has a inscription on the outer circle: 'the inner clear quality is clear, the light is like the day and the moon of the husband,' each word in the middle of each word. The shape of the mirror is unmistakable with the general bronze mirror, but when the light is illuminated, the image of the wall corresponds to the mirror on the back of the mirror. This is the so-called (light transmittance) effect, and the Shanghai museum's only treasure collection bronze mirrors (36) and the Taipei the Imperial Palace Museum number (Li69.14). The transparent mirror was invented in the Western Han Dynasty. The Western Han translucent mirror also has the inscription on the eight character inscription, the Sui and Tang Dynasties Wang degree (Ancient Mirror), song Zhou dense, "cloud and smoke line" and so on, all have open light transmission mirror, the effect of this mirror is not light but image, Shanghai Jiao Tong University casting teaching research thinks that the bronze mirror in the casting process, the concave and convex of the mirror back is solidified and contracted. When the casting stress is produced and the pressure stress is produced in the grinding, the elastic deformation is formed, and when the grinding to a certain extent, these factors are superimposed, making the mirror surface corresponding to the mirror back pattern while the naked eye is not easily aware of the curvature, causing (light transmittance) effect. In such ancient objects, the state is determined to be a national level cultural relic. There are only two pieces in the existing world, which belong to museum grade collections.
来源: | 作者:pmo677aba | 发布时间: 2024-07-18 | 215734 次浏览 | 分享到: