This letterbook covers the period February-May 1914. Most of the correspondence is by Edison and William H. Meadowcroft. Included are documents relating to the commercial and technical development of Edison's alkaline storage battery; the introduction of disc phonographs in Japan; and plans to reconstruct Edison's motion picture studio after a fire. There are also references to a lost phonograph recording of poet Alfred Tennyson; a letter to author Robert Grau regarding Edison's opinion of motion pictures; and a communication to Percival S. Hill of the American Tobacco Co. concerning restrictions on smoking at the West Orange laboratory. Other items pertain to Edison's reading habits and tastes, as well as his vacation with author and naturalist John Burroughs and industrialist Henry Ford.

The front cover is marked "T. A. E. Feb. 18, 1914 To May 20 '14." The spine is marked with similar information, along with the number "36." The book contains 717 numbered pages and an index. Approximately 15 percent of the book has been selected.