BRISEUX, Charles Étienne Traité du beau essentiel dans les arts appliqué particulièrement à l'architecture. À Paris, chez l'auteur, et Chéreau, 1752. 2 volumes in one (large in 4, spine ribbed and decorated with flowers, red edges (period binding, very worn). ORIGINAL EDITION, entirely engraved on copper, text and plates. Volume 1: portrait and 40 plates, some folding. Volume 2: 98 plates. Plate 75 torn without affecting the figure, light angular wetness, without affecting the text, occasional light foxing. The interior of the volume is in good condition. Remarkable study by the architect Charles-Étienne Briseux (1680-1754), who here consecrates the rocaille style.