Freedom from distraction
By: [Selecting operable walls] Produced by Hough Manufacturing Corporation, Janesville, Wisconsin
Published: 1960
Language: eng
Format: [sound recording]
Subjects: Soundproofing; Acoustical materials; Architectural acoustics
Notes: Accompanied by booklet ([10] p.) with same title inserted.
Table of contents: title: ASTM E90-61T explained.; title: Specifying acoustical privacy.