[HM96AAB], Legal Testimony, Charles Batchelor, March 12th, 1896
Cylinder record and duplicating technology
[HM96-F] Legal Series -- Harry F. Miller File
https://edisondigital.rutgers.edu/document/HM96AAB
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 144