The one dated entry in this notebook is from April 1901. All entries are by Edison. The book contains notes, drawings, and calculations pertaining to the design, construction, and layout of works for the manufacture of storage batteries. Included are a list of \"articles wanted,\"" drawings of chemical apparatus and other equipment, sketches of plant layout, and other notes regarding the character and the scale of operations. In a few cases equipment is identified for removal from the ore milling plant at Ogden, New Jersey, to the new storage battery facility. The pages are unnumbered, and the book has been used in both directions. Approximately 60 pages have been used."