The Eastsider LA41m
LA’s old air raid sirens are fading, but could they make a comeback?
LA’s old air raid sirens are slowly being removed, but could they be repurposed for modern emergencies like fires and ...
I have seen the future, and it's this 3D-printed air raid siren honking its baleful tones over my neighbourhood as the waters rise
Impressive. A potentiometer attached to the speed controller means the pitch can be adjusted by ramping the speed of the motor up and down, meaning those wooooos can become weeeees, and so forth. And ...