Components of the electric lamp patented by Thomas Alva Edison (1847-1931) in 1879. The lamp worked by passing an electric current through a carbon filament enclosed in a vacuum in a sealed glass bulb.
px | px | dpi | = | cm | x | cm | = | MB |
Details
Creative#:
TOP23729015
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
Right to Privacy:
No
Same folder images: