By using ultra-depth microscope,the painting trace by using awl on the lacquerware in Han dynasty can be observed which directly prove Mr.Wang Shixiang's interpretation of Qianghua and Qianse,the decorative techniques in lacquer ware that carves golden lines and color insert in XiuShi Lu,a book made by Huang Cheng in Ming Dynasty.And the tip shape of the tools can be traced based on microscopic measurement data.
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