Racon Electric or Western Electric Horn
Here is another interesting horn ad from 1931. This one is from Racon but still looks like a WE horn. My guess is that hey are resellers. I wish the ad was bigger I had to scan at a higher resolution.
This post originated at retro vintage modern hi-fi http://itishifi.blogspot.com
This post originated at retro vintage modern hi-fi http://itishifi.blogspot.com