This folder contains documents relating to Edison's dealings with the Ansonia Brass & Copper Co., which supplied the copper wiring and tubing for the construction of Edison central stations. Much of the correspondence is by A. A. Cowles, secretary of the company.

Approximately 60 percent of the documents have been selected. The following categories of documents have not been selected: routine correspondence regarding shipping and production matters; orders; bills and receipts.

Courtesy of Thomas Edison National Historical Park.