Inside Out LibraryThe natural principles and analogy of the harmony of form (1842)Hay, D. R. (David Ramsay), 1798-1866 · Edinburgh, W. Blackwood · leaf 82PLATE XL … PLATE XH.Geometrical drawing · Proportion (Art)Internet Archive Book Images · Getty Research Institute · No known copyright restrictions (public domain). Free to use for anything.More pictures from The natural principles and analogy of the harmony of formMore like this