The ideal apparatus for measuring the acuity of the ear should enable one to determine the faintest audible sound at each and every pitch within the tonal range. It should be easily and quickly operated and should be permanently standardized. The Pitch Range Audiometer is an approach to this ideal.
Proceedings of the Iowa Academy of Science
©1920 Iowa Academy of Science, Inc.
Bunch, C. C.
"The Iowa Pitch Range Audiometer,"
Proceedings of the Iowa Academy of Science, 27(1), 230-230.
Available at: https://scholarworks.uni.edu/pias/vol27/iss1/41