[QD001073], Legal Testimony, Thomas Alva Edison, November 21st, 1881
[QD001-F] Litigation Series -- Interferences -- Bound Dynamo Cases
https://edisondigital.rutgers.edu/document/QD001073
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 46