This ledger covers the period February 1880-March 1881. It contains a record of Edison's personal finances, including royalty payments, salary payments, contract payments, and financial arrangements with various associates. The front cover is labeled "Private." The spine is stamped "Ledger." The book contains 275 numbered pages and an index.

Blank pages: 6-7, 12-15, 20-21, 26-27, 32-37, 40-45, 50-53, 56-57, 60-63, 72-77, 82-83, 86-87, 90-99, 102-105, 108-109, 112-113, 116-117, 120-121, 124-125, 128-129, 132-137, 140-265, 274-275.

Courtesy of Thomas Edison National Historical Park.