I'm not sure about the model (L1/F2?), but this is an Elektror siren.

Whelen3016 wrote:
Yeah those. Do you think by watching the picture that this siren could still work? Nope..

I've seen sirens in much worst condition (completely rusty) working fine!

Whelen3016 wrote: Close-ups? What do you mean?

Close up photos of the stator and motor.

This is a pic I found by digging in my archives. A Siemens - like type




It would be nice if we had some close-ups...

In Finland you do have some mechanical sirens as well, don't you?

I can't remember where I have found this picture, but it's an other example of non-square shaped stator and rotor http://img229.imageshack.us/img229/3056/sirenauc6.jpg Those old DDR sirens had regular square rotor blades, but the stator ports were round. Those IMI sirens are quite effective, but I a...