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1961 - Keeping Out Noise

News
Southbridge, Mass. (UPI) - A new plastic, anti-noise ear plug for military and commercial aviation purposes has been developed by American Optical Co.

The device is about three fourths of an inch long and comes in three sizes - small, medium and large. While the device sharply reduces industrial noises, it still permits the wearer to hear conversation.


The Citizen Advertiser
Auburn, New York
Wednesday, February 3, 1961

Visit Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)
Discover the people who lived there, the places they visited and the stories they shared.


Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

Southbridge, Massachusetts, USA (Globe) (Lensdale) (Saundersdale) (Shuttleville)

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