"Mécanisme de la physionomie humaine" by Dr. G.B. Duchenne (de Boulogne), originally published in 1862, provides an electro-physiological analysis of human facial expressions and passions. This work is part of a French literature conservation initiative by the Bibliothèque nationale de France (BNF) and Hachette Livre. The book has been digitally archived by the BNF and is available on-demand through Hachette Livre's print service. The text represents historical scientific and philosophical ideas from its era, despite some concepts that might be considered controversial today. This collaboration aims to preserve and provide access to these significant scientific and historical works.
