This notebook is undated but probably was used during 1880 and 1881. The entries appear to be by Charles L. Clarke. The book contains a record of technical and scientific books and their prices. It is subdivided into the following categories: electricity, steam engineering, treatises on general science, gas, general engineering, and mathematics. The first page is inscribed "Catalogue of Scientific Books." The book contains 284 numbered pages.

Blank pages: 10-33, 44-69, 78-117, 124-147, 156-175, 180-283.

Courtesy of Thomas Edison National Historical Park.