মার্কিন যুক্তরাষ্ট্রের ক্যালিফোর্নিয়ায় অবস্থিত শতবর্ষী বাতিটি কোন কোম্পানি তৈরী করে ?
The Centennial Light was originally a 30-watt or 60-watt bulb but is now very dim, emitting about the same light as a 4-watt nightlight. The hand-blown, carbon-filament common light bulb was manufactured in Shelby, Ohio, by the Shelby Electric Company in the late 1890s; many just like it still exist and can be found functioning. According to Zylpha Bernal Beck, the bulb was donated to the Fire Department by her father, Dennis Bernal, in 1901. Bernal owned the Livermore Power and Water Company and donated the bulb to the fire station when he sold the company. That story has been supported by firefighter volunteers of that era.
Shelby Electric Company