RichardV6 thought they were from the 70's. I have no idea. I was amazed that there is basically no information on these on the web.

I love the way they sound, and they definitely get people's attention when needed.

Paul

73 4/4 "Henry A"
53 +4 Flat Rad "Pug"
84 Citoen 2CV Spec "BeBe"
60 MGA
https://morgan34.org/