This pamphlet contains an 8-page brief, filed on Edison's behalf by George W. Dyer, requesting the U.S. Board of Patent Examiners to reconsider its decision to grant Elisha Gray priority in the dispute over a patent application for a circuit breaker for electric generators. (See Edison v. Lane v. Gray v. Rose v. Gilliland [1882].) Portions of this decision have been quoted in the brief.
Related interference records can be found in Records of the Patent and Trademark Office (Record Group 241) in the National Archives.
[QD007] Litigation Record, c. 1883 1883-00-00
[QD007001], Legal Testimony, George W Dyer, May 10th, 1883 1883-05-10