Acoustic ear demonstration model
Sold
An acoustic ear model which was used for demonstration of reinforcing function of the auricle. By moving the percussion hammer against a membrame on the back, the sound wil be reinforced on the front. 45 cm high
Sold
An acoustic ear model which was used for demonstration of reinforcing function of the auricle. By moving the percussion hammer against a membrame on the back, the sound wil be reinforced on the front. 45 cm high