No backdrop available
No poster
How the Ear Functions
194012mNo ratings yet
- Documentary
Overview
The science of hearing is explained with animated diagrams of the human auditory system.
Details
- Status
- Released
- Release date
- October 20, 1940
- Original language
- English
- Countries
- United States of America
- Production
- American College of Surgeons
- Budget
- Not recorded
- Revenue
- Not recorded
- IMDb
- tt12302632