This notebook is undated but was probably used in 1880 or 1881. The entries are probably by William Carman and consist of "references to note books found by Messrs Edison & Batchelor." The label on the front cover is marked "Wm Carman" [crossed out], "References," and "Private" [crossed out]. The book contains 284 numbered pages.

Blank pages: 24-283.

Missing page numbers: 1-6.

Courtesy of Thomas Edison National Historical Park.