This folder contains correspondence and other documents relating to the business of the Edison Crushing Roll Co., which licensed and installed Edison's crushing rolls and collected royalties for their use. Among the items for 1917 is a letter with Edison marginalia concerning royalty payments to the heirs of Sir James Coats, along with an interoffice communication from personal business secretary Richard W. Kellow regarding the transfer of crushing rolls from the defunct National Limestone Co. to the Kelley Island Lime & Transport Co. Other correspondents include Walter S. Mallory, president of the Edison Crushing Roll Co., and Edison attorney Frederick Bachman.

Approximately 10 percent of the documents have been selected. The unselected material consists of routine business correspondence between Mallory and other Edison employees, including Kellow and engineer William H. Mason, relating to royalty payments and to the use of crushing rolls by Kelley Island and other companies.