Xu Zhimo徐之鏌
A Ming scholar who drew a compass of thirty-three rings.
- Era
- Ming · Wanli reign
- Known for
- Luo Jing Ding Men Zhen
What it is
Xu Zhimo of Jianyang studied in the Wanli years. Unhappy that compasses relied on the twenty-four directions, he argued the case and drew thirty-three rings.
On this site
The dial on our home page also has many rings. Its twelve rings follow Xie Ji Bian Fang Shu.
Sources Siku Quanshu Zongmu Tiyao; Han Yu; Xie Ji Bian Fang Shu.