Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Circular of the Bureau of Standards no. 534::hearing aids

Published

Author(s)

Edith L R Corliss
Citation
- NBS CIRC 534
Report Number
NBS CIRC 534

Citation

Corliss, E. (1953), Circular of the Bureau of Standards no. 534::hearing aids, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.CIRC.534 (Accessed April 16, 2024)
Created January 1, 1953, Updated May 19, 2023