This letterbook covers the period September-November 1916. Most of the correspondence is by Edison and William H. Meadowcroft. Included are letters pertaining to Edison’s benzol absorbing plants and other chemical manufacturing interests, the production of tuluol, and the creation of a commercial department to manage the sale of his chemical products. Other documents relate to the phonograph and storage battery businesses. Also included are letters regarding Edison's support for Woodrow Wilson in the presidential election and his opinion of German armaments. Among the correspondents are economist Irving Fisher, Henry Ford's personal secretary Ernest G. Liebold, and representatives of Mitsui & Co.
The spine is stamped "Letters" and is marked "T.A.E. From- Sept. 13 -1916- To S" The number "52" also appears on the spine. The book contains 700 numbered pages and an index. Approximately 15 percent of the book has been selected. Courtesy of Thomas Edison National Historical Park.