12/28/1889 American Graphophone Co and Russell, Nathaniel E to Lippincott, Jesse H
(Western Pennsylvania Phonograph Co; Colorado and Utah Phonograph Co) Production difficulties and adjustments; Cylinder phonograph; Cylinder recording & reproducing apparatus
[QP001]  Litigation Series -- Phonograph Cases: American Graphophone Company v. U.S. Phonograph Company et al.
[QP001751; TAEM 116:445]
Courtesy of Thomas Edison National Historical Park.