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 a classic of the genre. Literary critic Peter Nicholls has described it as "a fine story, well-told in a clear, evocative, almost formal prose." Thomas M. Disch ranked "The Sound of His Horn" at number twelve in his list of the all-time greatest fantasy stories. The book was also included by David Pringle in his book "" and by Stephen Jones and Kim Newman in their "Horror: 100 Best Books". 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