This ledger covers the period June 1888-July 1891. As the account book of final entry, it summarizes transactions among various accounts. Included are accounts for Edison, patent attorneys Dyer & Seely, and the Edison Phonograph Toy Manufacturing Co. There are also patent, experimental, and cash accounts. The spine is stamped "Ledger. No. 1. Edison Phonograph Company." The book contains 449 numbered pages and an index. A two-page statement of services and disbursements by Dyer & Seely, dated September 30, 1891, has been inserted into the book.

Blank pages: 8-449.