Location of the gaohuang point, Chinese woodcut, 1443
Licence: Public Domain Mark
Credit: Location of the gaohuang point, Chinese woodcut, 1443. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0034735/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Location of the gaohuang point, Chinese woodcut, 1443. Wellcome Collection. Source: Wellcome Collection.