In Germany, voluntary Firefighters are still called to service with those air-raid sirens on rooftops. So whenever I hear a sound like that, i'm basically halfw

In Germany, voluntary Firefighters are still called to service with those air-raid sirens on rooftops. So whenever I hear a sound like that, i'm basically halfway out the door. But for emergency purposes, we still have a hand-cranked siren, and Its an absolute marvel of mechanics, and about as loud as the rooftop-devices, while still operable by a single man.