IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a patent model (USX772I1) of ...

Sun Gang tests the strength of a model wooden-arch bridge he made by putting his weight on it in his workshop in Dingxi, Gansu province. ZHANG WENJING/XINHUA Gansu woodworker passes the art of ...

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Woodworkers have always been very clever about making strong and attractive joints — think of the strength of a mortise and tenon, or the artistry of a well-made dovetail. These joints have been ...

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