This folder contains documents relating to the manufacture and sale of primary batteries by Thomas A. Edison, Inc. There are only two items for 1915. The selected document is a 51-page report discussing Edison's policy of treating the primary battery business as a separate division or entity of Thomas A. Edison, Inc. The unselected item is a memorandum concerning minor repairs and experimental work conducted behalf of the Primary Battery Division by Edisonâ€™s laboratory staff. Courtesy of Thomas Edison National Historical Park.