This folder contains correspondence and other documents relating to the commercial and technical development of the telegraph. Included are a statement by Josiah C. Reiff concerning the controversy with Jay Gould over Edison's quadruplex and automatic telegraph inventions; and several letters from John H. Puleston, a former telegraph associate, regarding money allegedly advanced to Edison. There is also a letter soliciting Edison's views on wireless telegraphy and the inventions of Nikola Tesla.

All of the documents have been selected.

Courtesy of Thomas Edison National Historical Park.