15-628js13-th.jpg
Description:
Thomas Edison’s Patent Application for the Light Bulb.
file
24 kB
15-628js13-th.jpg
Alt text:
Drawing of the Incandescent Light Bulb by Thomas Edison.
Caption:
Thomas Edison’s patent drawing for an improvement in electric lamps, patented January 27, 1880. (Image courtesy of the Records of the Patent and Trademark Office, National Archives. This image is in the public domain.)
Credit:
Records of the Patent and Trademark Office; Record Group 241; National Archives. This image is in the public domain.
Course Info
As Taught In
Spring
2013
Level
Topics
Learning Resource Types
assignment
Written Assignments
