This folder contains correspondence and other documents relating to the use of Edison's alkaline storage battery in electric vehicles and automobile ignition systems, including work done by Edison on behalf of the Ford Motor Co. Also included are items concerning automobiles owned by Edison and his family. Among the correspondents are Edison's chief engineer Miller Reese Hutchison, Amandis W. Almquist of the Edison Storage Battery Co., and laboratory employee H. W. Jones.

Approximately 50 percent of the documents have been selected. The unselected material consists of correspondence with suppliers of materials for testing by Edison's staff, unsolicited correspondence seeking Edison's advice, and letters of transmittal. Also not selected are photocopies of eleven photographs, sent to Edison by the Photo Dept. of Ford Motor Co., of starters and other apparatus, along with the following note in Edison's hand: "Ford starter No 1 file." The original photographs were transferred by the staff of the Edison National Historical Park to the Park's collection of historic photographs.