This folder contains correspondence and other documents relating primarily to company finances, publicity, and activities at the Stewartsville works. Many of the letters are to or from Edison, Walter S. Mallory, and John F. Randolph. Included are several items concerning the explosion and fire of March 2, 1903, at the Stewartsville works, as well as the death and funeral of engineer Edward A. Darling. Also included are letters of introduction written on behalf of Dr. MÅller, managing director of the Adler Cement Works in Berlin, and Gustav Dyckerhoff, a cement manufacturer from Frankfurt am Main. A few items deal with a die-sinking machine invented by George Perrott, a former employee of the Edison Portland Cement Co. Some of the documents pertain to the dryer and fine grinder plants at Stewartsville. There is also correspondence concerning competitors; Edison's briquetting machine; and vendors of equipment and supplies, including the Edison Phonograph Works. One letter relates to a factory girls club in Orange.

Less than 5 percent of the documents have been selected. The unselected material includes daily reports on the condition of motors, blowers, and elevators from the period December 1902-March 1903.