Facsimile of the sketch-book of Wilars de Honecort, an architect of the thirteenth century : illustrated by commentaries and descriptions (1859)

Villard, de Honnecourt, active 13th century, Lassus, Jean Baptiste Antoine, 1807-1857, Darcel, Alfred, 1818-1893, Quicherat, Jules Étienne Joseph, 1814-1882, Willis, Robert, 1799-1878 · London : John Henry and James Parker · leaf 269

An illustration from Facsimile of the sketch-book of Wilars de Honecort, an architect of the thirteenth century : illustrated by commentaries and descriptions, 1859, leaf 269 — ed to the arch DEB, because the ^ span-line of that arch being divided into three equal parts by the points marked 1, 2, 3, 4, the centre will 3 be found upon the third of these points, and thus he derives the name of tiers-point, given to the arch 2 / formed of two arcs of a circle symmetrically… … Figure 24. into five equal parts by points 1, 2, 3, 4, 5, 6, the fifth therefore equal to the radius C B. Hence C 3 B is an equilateral triangle. Another property of this points thus reckoned from each extremity are re- figure is, that if from the second point, 2, a line be spectively employed as…

Bibliothèque nationale de France · Architecture, Medieval · Drawing, French · Manuscripts, French

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Facsimile of the sketch-book of Wilars de Honecort, an architect of the thirteenth century : illustrated by commentaries and descriptions (1859)

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