PETIT-RADEL, Philippe (1749-1815). Essai sur le Lait, Paris: chez l'auteur et chez Boudet, 1786, 8°, FIRST EDITION (title browned at margins, some spotting towards end, front blank torn away), contemporary half calf over marbled boards (extremities rubbed), ownership inscription of W. Borchsenius to front pastedown. [Blake p. 346] With a Latin dissertation on milk by Martin Ratz (1778) and one other work in French. (3)