This ledger covers the period July 1909-February 1911. 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 "General Ledger," "3," and "E.S.B.Co." The book contains 401 numbered pages and an index; many pages are blank.