This folder contains correspondence and other documents relating to the business of the Lansden Co., a manufacturer of electric wagons in which Edison had a controlling interest. Included are expense and revenue statements, along with inquiries regarding employment, sales agencies, and customer relations. Some of the letters mention the resignation of general manager John M. Lansden, Jr., and his efforts to establish a new company called the John M. Lansden Manufacturing Co. The correspondents include Frank L. Dyer, president of Thomas A. Edison, Inc., and vice president of the Edison Storage Battery Co.; Robert A. Bachman, master machinist at the West Orange laboratory; W. E. Eldridge, owner of the Electric Wagon Co. in Boston; Ira M. Miller, Edison's brother-in-law; and John H. Vail, former chief engineer of the Edison Electric Light Co.

Approximately 60 percent of the documents have been selected. The material not selected includes an compilation of unidentified expenses covering the period 1888-1890.