This ledger covers the period January 1903-July 1909. As the account book of final entry, it summarizes transactions relating to the production and sale of storage batteries and to the indebtedness and daily activities of ESBCo. Included are accounts with individuals and suppliers, as well as payroll, stock, sales, and departmental accounts. Among the departmental accounts are entries pertaining to experimental expenses and the Edison Chemical Works account. The spine is stamped "Ledger," "2," and "E.S.B.Co." The book contains 401 numbered pages; many pages are blank.