This folder contains correspondence, agreements, shipping records, and other documents relating to the business of the Edison Machine Works in New York City, which manufactured dynamos and large electric motors for the Edison electric light system. Much of the correspondence is by Charles Dean, superintendent of the machine works, and by Charles Rocap, secretary.

Approximately 90 percent of the documents have been selected. Routine correspondence from suppliers and correspondence relating to shipping instructions have not been selected.

Courtesy of Thomas Edison National Historical Park.