II. Diagram of the Rectilinear Orthography of the Principal Front of the Parthenon of Athens, in which its Proportions are determined by harmonic parts of the Right Angle.
D. R. Hay delᵗ. G. Aikman sc.
III. Diagram of the Rectilinear Orthography of the Portico of the Temple of Theseus at Athens, in which its Proportions are determined by harmonic parts of the Right Angle.
D. R. Hay delᵗ. G. Aikman sc.
IV. Diagram of the Rectilinear Orthography of the East End of Lincoln Cathedral, in which its Proportions are determined by harmonic parts of the Right Angle.
D. R. Hay delᵗ. G. Aikman sc.
