Totally new here, I am (re)searching (for) a hand crancked siren of the manufacturer "Mende". To use the forum properly, I would like to know which subforum I should enter to discuss such an item. I don’t know if the siren was military or civilian, and, if the former, whether it would have belonged to a soldier’s or platoon’s kit. It isn’t even clear to me whether it was really a war-time tool.

Any assitance is greatly appreciated. Here’s an image of the siren:

Thanks in advance for any help,

Luk