Vehicle horn England, developed a standard electric car horn in 1910. Car horns are usually electric, driven by a flat circular steel diaphragm that has an electromagnet acting on it in one direction and a spring pulling in the opposite direction. The diaphragm is attached to contact points that repeatedly interrupt the current to that electromagnet causing the diaphragm to spring back the other way, which complete the circuit again. This arrangement opens and closes the circuit hundreds of times per second which creates a loud noise like a buzzer or electric bell, which sound enters a horn to be amplified. There
Silver Horn "Haungooah" Cody, married into the Santa Clara pueblo in New Mexico and became an award-winning potter. Art's son, Dean Haungooah continues in that tradition. Silver Horn Silver Horn or Haungooah (1860–1940) was a Kiowa ledger artist from Oklahoma. Silver Horn was born circa 1860 and was a member of the Kiowa Indian tribe of Oklahoma. His Kiowa name, Haungooah, refers to sunlight reflecting off a buffalo horn, making it gleam like a polished, white metal. He was a well-known artist from the early reservation period who was one of the most respected and talented Plains Indian artists in his time.