Tube Time on Twitter: "here's a light bulb that is almost 120 years old! the filament is made out of carbon, and the glass is clear because they hadn't figured out how
Carbon Filament Incandescent Lamp | VWR
C03 - LED light bulb A60 gold spiral filament
A60 bulb vintage drop 60w filament carbon e27
C04 - LED light bulb ST64 gold spiral filament
St64 Edison Bulb 110V 60W Carbon Filament Lamp - China Carbon Filament Lamp and Edison Light Bulb St64