The Stovebolt Site Forums The Shop Area The Electrical Bay where can i get info on original horn type and location on 1950 chevy

Looking for drawings or pictures of horn type design and location for 1950 chevy 3100 series
the one i have is is mounted on the manifold and is 6volt and is elongatied verses round, ive seen some dual horn assemblye advertised and mounted onthe firewall, how do i know if mine was supposesd to be like that or is the manifold mount the correct place
thanks for the help
Ken