[D8248T], Patent Issued, John Hopkinson, June 21st, 1879

https://edisondigital.rutgers.edu/document/D8248T

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Title

[D8248T], Patent Issued, John Hopkinson, June 21st, 1879

Editor's Notes

[filmed as enclosure.] Spceification for Hopkinson's patent 2481 (1879), "Improvements in apparatus for the transmission of power by electricity." For reversing direction of armature rotation in motors.

Date

1879-06-21

Folder/Volume ID

D8248-F

Microfilm ID

63:406

Document ID

D8248T

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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