Oh I've seen this video many years ago, nobody could tell what it was... I guess that solves the mystery to some extent, heh.. But, there's something that bothers me, I've NEVER heard a 7-port siren running in 50Hz, but I know there's the Federal STL-10 that has 7 ports yet sounds like a French air ...
I believe this may be one of those so-called "CLM Carter" sirens, I don't have much information about them but there's a few known variants, yours apparently being one of the 20:24 low-RPM units. Although the CLM name is kinda conjectural on my end, I'm going from old and potentially incor...
Réville? No, unfortunately I do not... I was also looking for this one since years, all I got was practically nothing. I haven't gave Google Earth a shot though.
Argh... Glad to know I'm not the only one who got trolled by that, yesterday they were supposed to test the sirens in Oise too. I waited, waited.. Not a peep from the Gouvieux siren.. Feeling defeated, I went back home.. I could've gone on foot to Chantilly, but since we got informed that a pretty b...
That was my first guess too, it wouldn't surprise me if this was the case. There was some sirens that were mounted in bell towers that had the same arrangement, 8 ports but only four larger horns.
Besides the small Ciccas, there's some that look like CEN or Demays, making them a bit harder to distinguish, such as the one my friend had, I vividly remember it said "Sirene Cicca" on the motor tag.