These exhibits appears in Volume 70—the first of three volumes of litigation records in Atlantic and Pacific Telegraph Company v. George B. Prescott, Western Union Telegraph Company, Lemuel W. Serrell and Thomas A. Edison. The so-called Quadruplex Case involved rights and title to seven Edison patent applications pertaining to duplex and quadruplex telegraphy. Exhibit 7.6 (pages 17-29) is the plaintiffs' bill of complaint in the case of Western Union Telegraph Company v. Thomas A. Edison and George B. Prescott. Exhibit 7.8 (pages 35-72) is the plaintiffs' bill of complaint in the case of Daniel H. Craig and James B. Brown v. George Harrington, George Little, Thomas A. Edison, The Automatic Telegraph Company, and the National Telegraph Company.
[QCB08] Index, Undated 
[QCB08117], Memorandum, Western Union, William Orton, June 30th, 1873 1873-06-30
[QCB08118], Letter from Western Union, William Orton to U.S. Post Office Dept, John Angel James Creswell, December 6th, 1873 1873-12-06
[QCB08119], Legal Pleading, Western Union, George Bartlett Prescott, Thomas Alva Edison, January 28th, 1875 1875-01-28
[QCB08120] Letter, January 20th, 1875 1875-01-20
[QCB08121], Letter from James B Brown, Daniel H Craig to Western Union, October 13th, 1874 1874-10-13
[QCB08122], Legal Pleading, James B Brown, Daniel H Craig, Thomas Alva Edison, National Telegraph Co, George Harrington, George Little, Automatic Telegraph Co, October 8th, 1874 1874-10-08