This notebook is a continuation of N-06-10-05. It was used during October 1906. All entries are by Edison. The book contains notes regarding the treatment of nickel-cobalt ores that contain arsenic, along with entries relating to the preparation of the metals for use in storage batteries. The front cover is labeled "Oct 15 1906 Arsenide Co process." The pages are unnumbered. Approximately 20 pages have been used.