Monaural Stethoscope - Inventory Number: MED 107
The invention of Laennec's monaural stethoscope in 1819. This device was made out of a hollow tube of wood, which he turned on the lathe. At one end was a small hole, and, at the other, a conical hollow. By the 1850's, the monaural stethoscope was a mainstay of the physical examination. Civil War officer “Oliver Wendell Holmes” was instrumental in introducing the stethoscope and microscope into the medical curriculum at Harvard Medical School. Marked "Bown London"
Inventory Number: MED 107