The spiral-wound filament from an old light bulb is switched on and off, scene shows very well the glowing of the spiral and the shiny parts of the bulb

Name: the spiral-wound filament from an old light bulb is switched on and off, scene shows very well the glowing of the spiral and the shiny parts of the bulb
Uploaded: 2012-02-20
Duration: 14 s
Channel: docg
Description: the spiral-wound filament from an old light bulb is switched on and off, scene shows very well the glowing of the spiral and the shiny parts of the bulb