Centennial Light
The Centennial Light (English centennial light ) is considered the longest-lasting light bulb in the world. It is located in the fire station of the city of Livermore near San Francisco in the U.S. state of California. She is often cited as evidence for the existence of planned obsolescence in modern bulbs.
History
The light bulb was made in the 1890s by the Shelby Electrics Company in Ohio and originally had an output of 60 watts; Today, however, there are still only four watts. This is a carbon filament lamp, of which might still exist and operate many other copies. According Zylpha Bernal Beck, her father Dennis Bernal made the fire station in 1901 with the bulb a gift. The occasion was the sale of its Livermore Power and Water Company.
Overall, the lamp in four facilities to have been in use. For many years she was in a tube carriage house, and later in a workshop in the center of Livermore. The position changes and some power outages caused a part of the few moments in which the Centennial Light not glowing. In 1976, at the fire department. In order not to damage the bulb, separated by one their lead and take them to a specially designed container in just ten minutes to the new department. An electrician installed the emblem and connected it to the emergency generator. In 2001, Livermore was celebrated the 100th year of the bulb. In 2006, she was consistently since the move in 1976 thirty years in operation. Reason for the longevity is mainly the low power of only four watts and the type of maintenance to be. For the future, the Livermore - Pleasanton Fire Department provides to shine the light bulb as long as possible. If the light should go out once but, it is still unclear what happened to it then. Ripley's Believe It or Not!, Which operates a variety of museums, is interested in the potential exhibit.
Popularity
Only in 1972, the reporter Mike Dunstan published a first report in the Tri-Valley Herald. When the journalist Charles Kuralt was the mistake, he contacted the Guinness Book of World Records. The committee explained, as well as Ripley's Believe It or Not! and General Electric, the Centennial Light Bulb for the most durable in the world. Even in 1972 it was replaced by another old bulb in Fort Worth, Texas. From 1988 to 2006, the Centennial Light Bulb did not appear in the list for unknown reasons. Since 2007 she is again in every edition of the Guinness Book. In the United States they became over the years a high degree of popularity, not least because of reports on television. The Centennial Light Bulb Committee provides support and runs the website. This can be the life of the bulb track on webcam.
2010, the documentary appeared buying for the dump, which reports, among other detail about the Centennial Light.