DEVENTER (Henrik van). Observations importantes sur le manuel des accouchemens. Paris, Guillaume Cavelier 1739 (1st part) Pierre Prault, 1733 (2nd part). In-4, edition illustrated with 39 plates, one of which is folding. Translated and enlarged by Jacques Bruier d'Ablaincourt, in the original edition for the second part. Bound in full contemporary speckled calf with 5-ribbed spine. Handwritten bookplate on title page "A. D'Aumont Med. Doctor Monspel". Arnulphe d'Aumont was an important 18th-century physician, who contributed over 200 articles to the Encyclopédie. (a few pages foxed, light spotting, traces of wetness, particularly in the second part, jaws partly split, damage to the covers, covers stained and warped). Also included: FREIND. Emmenologie ou traité de l'évacuation ordinaire aux femmes, où l'on explique les phénomènes, les retours, les vices la méthode curative qui la concernent selon les loix de la mechanique. Paris, Jacques Clouzier, 1738. In-12, translation by M. Devaux. Full marbled basane binding, 5-rib spine, title label affixed to spine. Stamp on title page "Soc. Jesu. Domus Lugdunensis". (Worn binding with small leather tears to boards, spines and headpieces, handwritten annotations covering entire endpapers). Expert : Mr. Nicolas Asvisio