This notebook contains one dated entry from March 1915. All entries are by Edison. At the beginning of the book are two pages of notes on phenol, toluol, aniline, and other organic products. The remaining entries pertain to the manufacture of kinetoscopes, disc and cylinder records, Bates numbering machines, and other items produced by the Edison Phonograph Works. Included are notes on machinery needed for factory buildings reconstructed after the fire of December 1914, along with plans regarding labor, output, and efficiency measures. Some of the entries deal with the trucking of parts and supplies to the various departments of the Edison Phonograph Works, while others relate to inspections, gauges, and other quality control measures. The pages are unnumbered. Approximately 25 pages have been used. Courtesy of Thomas Edison National Historical Park.