![Carved ivory ball, composed of 12 freely moveable concentric spheres. Qing dynasty, 19th century AD. During this period the craftsmen were obsessed with exploring their technical limits and ivory provided a particularly Carved ivory ball, composed of 12 freely moveable concentric spheres. Qing dynasty, 19th century AD. During this period the craftsmen were obsessed with exploring their technical limits and ivory provided a particularly](https://c8.alamy.com/comp/G2MX5Y/carved-ivory-ball-composed-of-12-freely-moveable-concentric-spheres-G2MX5Y.jpg)
Carved ivory ball, composed of 12 freely moveable concentric spheres. Qing dynasty, 19th century AD. During this period the craftsmen were obsessed with exploring their technical limits and ivory provided a particularly
Ivory balls of nested concentric layers with human figures in openwork relief - Anonymous — Google Arts & Culture
![Chinese Puzzle Balls – The Rubik's Cube of the Ancient World | Art carved, Gemstone art, Asian art museum Chinese Puzzle Balls – The Rubik's Cube of the Ancient World | Art carved, Gemstone art, Asian art museum](https://i.pinimg.com/originals/83/6a/82/836a82c4b570ba362f85b2bf94b02e7d.jpg)
Chinese Puzzle Balls – The Rubik's Cube of the Ancient World | Art carved, Gemstone art, Asian art museum
![Two Chinese Canton export ivory puzzle balls and stands, early 20th Century, each concentric ball ca Two Chinese Canton export ivory puzzle balls and stands, early 20th Century, each concentric ball ca](https://www.tooveys.com/lots/286312/1027.jpg)
Two Chinese Canton export ivory puzzle balls and stands, early 20th Century, each concentric ball ca
![The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram](https://www.researchgate.net/publication/239211116/figure/fig1/AS:671507088957460@1537111174748/The-concentric-balls-are-centered-at-the-origin-and-have-radii-equal-to-one-and-three.png)
The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram
![Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912) Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.IMJ.0052330.7055475/329321.jpg)
Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912)
![A Chinese carved ivory puzzle ball and stand, early 20th Century, the concentric ball carved with dr A Chinese carved ivory puzzle ball and stand, early 20th Century, the concentric ball carved with dr](https://www.tooveys.com/lots/197824/1022.jpg)