This letterbook covers the period September 1900-February 1903. Most of the correspondence is by Herman E. Dick; some letters are by Edison and others by John F. Randolph. Included are items relating to the organization, capitalization, and operations of the Edison Ore Milling Syndicate, Ltd., and to the design and construction of its iron concentration plant in the Dunderland region of Norway. Also included are numerous letters pertaining to the development of Edison's storage battery and to Dick's role as foreign agent for the battery. In addition, there are items dealing with the organization of the Edison Portland Cement Co. and the construction of the cement works in Stewartsville, New Jersey.

The front cover is labeled "Personal Letter Book of H. E. Dick." The book contains 500 numbered pages and an index; it has been used to page 355. Pages 91-92 have been removed from the book. Approximately 40 percent of the documents have been selected. The unselected letters pertain to ore analyses, inquiries about Edison's storage battery, and Dick's personal business and family.