This notebook is a continuation of N-00-08-21. It covers the period August-October 1900. All entries are by Edison. The book contains notes regarding alkaline storage battery experiments, including entries pertaining to a copper-cadmium cell. Scattered entries near the end of the book consist of drawings that appear to detail an ore milling operation. The front cover is marked "Sept 1900," and is labeled "Started Aug 31st 1900." The pages are unnumbered. Approximately 80 pages have been used.