This 47-page opinion by Judge Charles F. Sanford of the Superior Court of the City of New York is dated June 3, 1878. It is the last court record in Volume 73—the third 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.