Keeping outside noises out
Publisher: F.E. Berry, Jr. & Co., Inc.
Published: 1930
Place of publication: Boston
Language: eng
Subjects: Catalogs; Acoustical materials; F. E. Berry, Jr. & Co., Inc
Notes: Cover title.

Includes diagrams of sound deflecting mufflers and sound absorbing mufflers.

Avery Classics copy: 1 illustrated sheet of window muffler laid in; "Installation of Catalog 182 Window Muffler in Sliding Sash Window"--Back of laid in sheet.