[In July 2010 the manuscript version of this court case was replaced by a printed version, and the number of images was reduced from 117 to 30. The last 9 images consist of five exhibits introduced into the record. These exhibits were not included in the manuscript version previously published.

This file consists of testimony on behalf of Edison in the case of Edison and Gilliland v. Phelps, which involved conflicting claims over inventions in railway signaling. Included are depositions, taken in June 1886, by Edison; his personal secretary, Samuel Insull; his business associates, Ezra T. Gilliland, James A. Russell, John C. Tomlinson, and Frank W. Toppan; draftsman Julian A. Hurdle; and longtime employees Martin N. Force and John F. Ott.

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