This pocket notebook covers the period May 1878-September 1880. It is a record of purchases from A.H. Cornish, a grocer. The prices of groceries and other domestic supplies are listed along with notes by Mr. Cornish of receipt of payment. The front cover is marked "A.H. Cornish." Approximately 30 pages of this unnumbered book have been used. Courtesy of Thomas Edison National Historical Park.