This folder contains correspondence relating to the business of the Edison Co. for Isolated Lighting, which sold and installed small power plants for the lighting of single buildings. Much of the correspondence is by Frank S. Hastings, secretary of the company, and by Jonathan H. Vail, general superintendent. Related material can be found in the Edison Co. for Isolated Lighting Bulletins (Company Records Series).
All of the documents have been selected. Courtesy of Thomas Edison National Historical Park.