Rest of the in-depth answer is here. Furthermore, is there a light bulb that lasts forever?
Centennial Light. The Centennial Light is the world's longest-lasting light bulb, burning since 1901, and almost never switched off. It is at 4550 East Avenue, Livermore, California, and maintained by the Livermore-Pleasanton Fire Department.
Subsequently, question is, how long did old light bulbs last? about 1,000 to 2,000 hours
Similarly, what are the longest lasting LED bulbs?
The world's longest-lasting light bulb is the Centennial Light located at 4550 East Avenue, Livermore, California. It is maintained by the Livermore-Pleasanton Fire Department. The fire department claims that the bulb is at least 117 years old (installed 1901) and has only been turned off a handful of times.
Are light bulbs designed to fail?
To many, the light bulb has become a symbol for planned obsolescence—a tactic that some manufacturers use to ensure profits. Essentially, companies build products that are designed to eventually fail so that consumers have to buy those products a second time (and third time, and fourth time, and so on).
