Billings type monaural stethoscope,made out of fruitwood,dating from around 1870,England. French physician,Rene Theophile Hyacinthe Laennec invented the monaural stethoscope in 1816. This design,which is essentially a wooden cylinder with a hole bored out down the centre,was the earliest form of diagnostic device for listening to internal sounds of the body (auscultation) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4961 px × 3644 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |