Thanks for that info. I'm thinking it may be the earliest model going by the images you shared. I know my picture isn't the best but it definitely doesn't have the shrouds that those two later versions show.

I'm in Marble Rock, IA. As far as I know it is still in great shape, I've lived here my whole life and it has never given a problem that I can remember. Any ideas on how old it may be? The little bit I've been able to find on Federal Model B's suggests pre WW2 and possibly a little bit earlier than ...

First post for me, looking for some info on what we have for a siren. It serves our little town of 300 as a Storm Siren, Fire Siren, and Noon Whistle. It works fine but our local telecommunication company just abandoned all of their copper service here in town and that was how we activated the Storm...