The science of beauty, as developed in nature and applied in art

by David Ramsay Hay

D. R. Hay delᵗ. G. Aikman sc.

XII. Rectilinear Diagram, shewing the Proportions of the Portland Vase, as determined by harmonic parts of the Right Angle, and the outline of its form by an Elliptic Curve harmonically described.

D. R. Hay delᵗ. G. Aikman sc.

XIII. Rectilinear Diagram of the Proportions and Curvilinear Outline of the form of an ancient Grecian Vase, the proportions determined by harmonic parts of the Right Angle, and the melody of the form by Curves of two Ellipses.

D. R. Hay delᵗ. G. Aikman sc.

XIV. Rectilinear Diagram of the Proportions and Curvilinear Outline of the form an ancient Grecian Vase, the proportions determined by harmonic parts of the Right Angle, and the melody of the form by an Elliptic Curve.

D. R. Hay delᵗ. G. Aikman sc.