Proportion, or, The geometric principle of beauty, analysed (1843)
Hay, D. R. (David Ramsay), 1798-1866 · Edinburgh and London, W. Blackwood and Sons · leaf 60
MONY OF GEOMETRY. The circle, as already shown, is geometrically divided into 360 degrees, &c. ; and I shall endeavour to prove, that, in the division of those degrees by the harmonic ratios, the principle of geometric beauty or proportion lies. In the first division by two, which determines the…
Proportion (Art)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.