MALON, Le Conservateur du Sang humain, 1766 Premier livre contre la Saignée

First edition.
The first treatise devoted to demonstrating the dangerousness of bloodletting!

"If I can prove that the most wisely ordered bloodletting is always pernicious & often fatal, whatever good it seems to do, the public will gain a lot" (excerpt from the preface)

bound with the following :
[BRILLOUE], Essai théorique et pratique sur les maladies des nerfs, Paris, Delalain, 1766
Rare essay attributed to Brilloue, making the state of knowledge in "nevrology" field of medicine then in full swing.