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
Cause for Alarm (album) Cause for Alarm (album) Cause for Alarm is the second full-length studio album by New York hardcore band Agnostic Front. It was released in 1986 on Relativity/Combat Records and follows 1984's "Victim in Pain". The album is still available on a split release with "Victim in Pain" on the same disc. The addition of a second guitarist – Alex Kinon – led to a more metallic approach, although the songs still had mostly a hardcore sound. One other line-up change was the replacement of Dave Jones by Louie Beatto on drums. The band would further explore the metal sound on