This folder contains correspondence and other documents relating to the operation of the West Orange laboratory. Included are items regarding the formation of an engineering and experimental department at the laboratory and the invention of a drying apparatus for photographic plates by Alexander N. Pierman. There are also letters concerning the forfeiture of the charter of the Ott Manufacturing Co., as well as memoranda and other items pertaining to equipment, scrap metal, chemicals, and supplies.

Approximately 10 percent of the documents have been selected. The items not selected include statements, acknowledgments and receipts, bills of lading, routine correspondence about supplies and equipment, and documents that duplicate information in selected material.