American standard specification for general-purpose sound level meters
Contributors: Acoustical Society of America
Published: 1961
Place of publication: [New York]
Language: eng
Number of pages: 13
Subjects: Frequency meters; Sound -- Equipment and supplies
Other titles: General-purpose sound level meters
Notes: Cover title

S1.4--1961; revision of Z24.3--1944

"Approved January 9, 1961."

Sponsored by the Acoustical Society of America