Longest-lasting light bulbs
According to Wikipedia, the five longest lasting incandescent light bulbs are, in this order:
1. The Centennial Light, 4550 East Ave., Livermore in the Livermore-Pleasanton Fire Department's Fire Station No. 6. It is 111 years old.
2. The Eternal Light is in Fort Worth, Texas in the Stock Yard Museum. The bulb was credited as being the longest-lasting bulb in 1970 by Guinness World Records, two years before the discovery of the Livermore bulb. It was first turned on in 1908.
3. The third-longest lasting light bulb was above the back door of Gasnick Supply, a New York City hardware store on Second Avenue, between 52nd and 53rd Streets. It was installed in 1912, according to store owner Jack Gasnick. It is not known what happened to Gasnick and his bulb. The store, and the entire half-block on which it stood, were torn down in 2003.
4. The fourth-longest lasting light bulb is the Mangum light bulb, in the firehouse in Mangum, Okla.
5. The fifth-longest lasting light bulb was in a washroom at the Martin & Newby Electrical Shop in Ipswich, England. Given its shape and design, it was thought to date from the 1930s. It burned out in January 2001.
For more from Wikipedia's history of the bulbs, go to http://en.wikipedia.org/wiki/Longest-lasting_light_bulbs.