![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)
![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
![National Palace Museum>Selections>Ivory balls of nested concentric layers with human figures in openwork relief National Palace Museum>Selections>Ivory balls of nested concentric layers with human figures in openwork relief](https://theme.npm.edu.tw/selection/att/collection/04009167/17010635.jpg)
National Palace Museum>Selections>Ivory balls of nested concentric layers with human figures in openwork relief
![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/profile/Ivan-Blank/publication/239211116/figure/fig1/AS:671507088957460@1537111174748/The-concentric-balls-are-centered-at-the-origin-and-have-radii-equal-to-one-and-three_Q320.jpg)