13 janv. 1815 - Stethaschope
Description:
René Laënnec, a French physician, invented the stethoscope, a trumpet-shaped wooden tube, to examine a very fat woman whose heart he could not hear by pressing his ear to her chest (nytimes).Ajouté au bande de temps:
Date:
13 janv. 1815
Maintenaint
~ Il y a 209 ans
