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Lowest mounted Siren in US

Rainelle, West Virginia: https://goo.gl/9KnqS7 […]

what does H.O.R. stand for?

Heres a PDF I found. https://patentimages.storag[…]

Pintsch-Bamag Test - Kassel, Germany

Das ist sehr cool! Ja! Das ist sehr cool!

Post your Mystery Sirens here.

Thank you for the information; I'll check out your[…]