Proportion, or, The geometric principle of beauty, analysed (1843)
Hay, D. R. (David Ramsay), 1798-1866 · Edinburgh and London, W. Blackwood and Sons · leaf 24
GEOMETRIC PRINCIPLE OF BEAUTY ANALYSED. 8 that the same diagram points out the manner of its division into the various parts hy which its extraordinary functions are performed. … the retina upon which vision is most perfect ; GDH that portion of the surface of the retina which bounds perfect vision ; O P the points at which vision almost ceases, and I D K is the extent of the retina ; L to M is that portion of the eye which is flat, containing the ciliary process, the iris,…
Proportion (Art)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Preclarissimũ opus elemento[rum]](https://img.insideoutlibrary.com/img/200/ia-gri_000033125009354198-57-0.webp)
![An illustration from Preclarissimũ opus elemento[rum]](https://img.insideoutlibrary.com/img/200/ia-gri_000033125009354198-231-0.webp)