This folder contains documents, primarily correspondence, relating to the business of ESBCo. The documents cover the period from 1921 until after Edison's death, but the bulk of the material is from 1921-1924. Included are letters pertaining to the sale of Edison storage batteries, the real estate and capital of the company, and the processes of production, accountancy, and administration. Correspondents include Edison, Charles Edison, H. A. Altengarten, Frank D. Fagan, Stephen B. Mambert, Arthur Mudd, C. E. Sholes, and other ESBCo employees. Some of the items relate to sales agents Maurice E. Fox and John F. Monnot, to the Edison Storage Battery Supply Co.'s contract with the American Railway Express Co., to royalties collected from the Deutsche Edison-Accummulatoren Co., and to service guarantees granted to ESBCo customers. There are also memoranda concerning employees under Edison's direction and relations between ESBCo and the phonograph and primary battery divisions of Thomas A. Edison, Inc. Related material can be found in the Plant Operations and Research Records.

Less than 10 percent of the documents have been selected. The items not selected include routine exchanges dealing with the supply of equipment and material for ESBCo and with matters of daily administration and accountancy. Also not selected are letters of transmittal and acknowledgment and items that duplicate information in selected material.