This folder contains correspondence and other documents pertaining to the business of the Edison-Saunders Compressed Air Co. Included are patent-related correspondence and a license agreement between the Edison-Saunders Co. and the H. K. Porter Co. of Pittsburgh.

Less than 10 percent of the documents have been selected. The items not selected include a routine note by William S. Mallory; a receipt from the law firm of Dyer, Edmonds & Dyer; and duplicate copies of the license agreement.