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shan xi chu tu xi zhou qing tong yang zuo
Author(s): 
Pages: 96
Year: Issue:  4
Journal: China Historical Materials of Science and Technology

Keyword:  陕西出土阳燧青铜博物馆曲率半径中国文物太阳灶光学仪器扶风县专家鉴定;
Abstract: 陕西出土西周青铜阳燧1995年4月,周原博物馆在对陕西扶风县黄推村60号西周墓进行清理发掘时,出土了一件呈圆形的青铜凹面镜,其直径8.8厘米,厚0.19厘米,形状与现在的圆形太阳灶相仿。径西北光学仪器厂测定,其曲率半径20厘米,为一标准的球面镜。考古...
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