I bet this thing is super loud when you wire it up! We have not tested it.
Vintage Benjamin Electric Manufacturing Co. Industrial Signal Horn Chicago
Horn signal hi-res stock photography and images - Alamy
Carrfan 12V Vintage OOGA AHOOGA Classical Car Horn for Ford Model Antique Old Style 110db : Automotive
Factory and it's progress - Horn of the Abyss update #20 (no, the project is not dead) : r/heroes3
Horn signal hi-res stock photography and images - Alamy
Horn (instrument) - Wikipedia
OOGA Air Horn Antique Ahooga Vintage Classic Old Style School 12V 110DB Banhao Auto Car Truck Air Fun Horn Red : Automotive
Horn signal hi-res stock photography and images - Alamy
Old signal horn of a factory, Old horn of a factory, , Altes Signalhorn einer Fabrik, Old horn of a factory
Horn signal hi-res stock photography and images - Alamy
Vintage Signal Horn