This folder contains correspondence and other documents pertaining to the testing, production, procurement, and sale of chemical supplies. Many of the letters are by John V. Miller, manager of the Edison Chemical Works. Included is an item relating to industrial pollution at the Silver Lake plant. There are also documents concerning the technical development of Edison's alkaline storage battery, including references to nickel hydrate tests and other investigations conducted by chemist Ignacy Goldstein. Letters by Edison employees Clarence Churchill and Harry T. Leeming discuss business relations with the Condensite Co. of America.

Approximately 50 percent of the documents have been selected. The material not selected consists of letters of transmittal and routine items concerning financial matters.