Van de Graaf canon in John Baskervill´s work
…grids have been in use long before graphic design became a discipline. During the 13th– and 14th-centuries, scribes used the Villard Diagram to organize their handwritten manuscripts. In the 15th-century, Gutenberg and others divided their pages using the Van de Graaf canon…
while reading Myths & Misconceptions About Grid Systems
