This notebook covers the period May-June 1882. All of the entries are by Edison and consist of notes and drawings relating to iron ore separation, thermoelectricity experiments, the electric railroad, electric lighting, and storage batteries. The book contains 278 numbered pages.
Blank pages: 26, 43-49, 76-77, 82-83, 86-101, 104-109, 112-153, 156-273.
Missing page numbers: 27-42. Courtesy of Thomas Edison National Historical Park.