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« Underground Horses, 1875 | Main | The X-Ray of the Imagination 2: Phrenology, Chinese Hell Scrolls, and the Beauty of the Thought Balloon »


Kaz Maslanka

Although, I have to plead ignorance to the existence of the stamp, I must agree ... bring back the Rhombicuboctahedron! -- It is a beautiful construction however, not as nice as a regular polytope but a lot better than its replacement on the stamp.


John Ward Logan

I care not about the stamp, but very much about Pacioli and MacKinnon's article. His speculations: that the student is Duerer, that the painter of the rhombi is none other than L., and that "Il Ritratto" may be the most important painting of the R. in that it shows "the transmission to A.D., and hence to the world north of the Alps, of the geometry of ancient Greece and the basis of the new art in Italy". Recently I have made a discovery concerning "i piccoli numeri" in the numbers F.L. is writing on the lavagna. Also evidence that he may have been in communication with Copernicus. Interested? Specifically, I need help finding Italian or English translations of his works, especially "Schifanoia" which may contain many answers.

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