Oldest lamp in the world still lights after 109 years and still illuminate the room until now.
The lamp called the Centennial Bulb is installed in office in California fire department
This lamp is a gift from local businessman to the fire department.
This lamp produced by the Shelby Electric Company.
This 4 watt carbon lamp has become a record in the guiness book of records beating the previous record of lamp in the theater Texas.
Standard lamp usually lasts for 750 to 1000 hours of burning, while the modern lamp current up to 10,000 hours of stand up.
Guess, For How Long that lamp still can illuminate the room?