This folder contains correspondence and other documents relating to the business of the Edison United Manufacturing Co. This company served as the sales agent for various Edison electric light companies, including Bergmann & Co., the Edison Lamp Co., and the Edison Machine Works. Much of the correspondence is by Charles E. Chinnock, vice president of the Edison United Manufacturing Co., and relates to the sale of electric light system components, isolated plants, and central stations. Some of the letters pertain to competition in the electric light industry.

Approximately 50 percent of the documents have been selected. The following categories of documents have not been selected: meeting announcements; routine financial documents; routine business correspondence.