The one dated entry in this pocket notebook is from February 1903. All entries are by Edison. The book contains notes and drawings pertaining to experiments to be performed, including work on batteries, electric meters, lighting, and x-ray apparatus. Among the employees mentioned in relation to individual experiments are Cloyd M. Chapman, Frederick P. Ott, John F. Ott, and Charles N. or Albert F. Wurth. The pages are unnumbered. Approximately 20 pages have been used.