Early Diaphone Article

A forum to facilitate discussion amongst Gamewell Diaphone (Fire Horn type Diaphone) enthusiasts.


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Diaphone Owner
Joined:Tue Jan 28, 2003 2:41 pm
Do you own a Diaphone?:Yes
Location:Potter Valley, CA
Early Diaphone Article

Post by Jim » Thu Aug 01, 2019 12:05 pm

Nothing new except the early date on this and some good pics:

https://www.fireengineering.com/article ... .html#gref

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