Date of Work
A hearing test is conducted using a Beltone Machine. A woman taking the test holds up fingers while a man hold the headphones on her head. Another man adjusts a dial on the machine.
Universities & colleges -- North Dakota -- Grand Forks
North Dakota--Grand Forks; North Dakota
University of North Dakota
Elwyn B. Robinson Department of Special Collections, Chester Fritz Library, University of North Dakota
Woman, Headphones, Beltone Machine, Hearing aids, Women, Headphones, Audiology - Instruments, Audiologist and patient, Audiometry, Men