Made in England by the J. Hudson Factory, you wont believe the sound this little nickel-plated siren makes. Keep it on your keychain..its a whistling racket in your pocket. Hang on your keychain or neck for security. Also used as an orchestral whistle and sound effect for Haydn's Toy Symphony and myriad other sound effects.
SOME ACME HISTORY
Sometimes known as the cyclist's road clearer, this unmistakable sound, introduced in 1895 and patented in the same year, still finds numerous uses. From tribal dances to marine signalling, this complex whistle, made with watchmaker's precision, was the beginning of the Acme range of orchestral whistles and musical sound effects that remain popular to this day.