[D8248U], Patent Issued, John Hopkinson, November 14th, 1879
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Title
[D8248U], Patent Issued, John Hopkinson, November 14th, 1879
Editor's Notes
[Filmed as enclosure.] Hopkinson's patent 4653 (1879) for "improvements in the transmission of power by electricity and in the appparatus employed therein." Reversing direction of armature rotation in electric motor.
Author
Date
1879-11-14
Type
Folder/Volume ID
D8248-F
Microfilm ID
63:410
Document ID
D8248U
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University