This book, covering the years 1872-1873, consists of two parts. Pages 1-61 contain a ledger of accounts payable and receivable between February and December 1872. Pages 62-233 contain cost accounts for labor between January and December 1873. The cover is marked "JTM." The spine is labeled "T.A.E. 1872 LEDGER." The book contains 332 numbered pages preceded by an index of 26 pages.

Blank pages: 4-11, 18-45, 58-59, 206-207, 210-211, 234-329, 332.

Courtesy of Thomas Edison National Historical Park.