This folder contains correspondence and other documents relating to the business of the Edison Portland Cement Co. and to the manufacture and sale of cement. Included are letters concerning competitive bids, litigation, and efforts to cooperate with other cement manufacturers in controlling prices and supply. There are also items regarding negotiations with John W. Moyes to manufacture cement in Canada and a letter announcing the death of the company's president, Robert H. Thompson. Among the correspondents are Walter S. Mallory, vice president (later president) of the Edison Portland Cement Co.; Frank L. Dyer, general counsel; and E. Meyer, manager of sales.

Approximately 60 percent of the documents have been selected. The items not selected include meeting announcements; letters of introduction, transmittal, and acknowledgment; and documents that duplicate information in selected material.

Related material can be found in D-10-09 (Battery, Storage - Foreign - Moyes, John W.).