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
The Sound of His Horn The Sound of His Horn The Sound of His Horn is a 1952 dystopian time travel/alternative history novel by the senior British diplomat John William Wall, written under the pseudonym Sarban. The novel has been included in several lists of the greatest fantasy novels of all time. Royal Navy lieutenant Alan Querdillon becomes a POW during the Battle of Crete during World War II. After escaping, and travelling through a forest he runs into a barrier of 'Bohlen Rays', is knocked unconscious and awakens in a Nazi controlled world at least a hundred years after World War II on the