Title
Vacuum apparatus used to exhaust Edison incandescent light bulbs
Caption
Vacuum apparatus used to exhaust Edison incandescent light bulbs at G (centre top). From Scientific American, New York, 1880. Engraving
Date
1880
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07104_460001111
License type
Rights managed
Available size
33,3Mb (2,5Mb) / 11,0in x 11,8in / 3289 x 3543 (300dpi)