This letterbook covers the period June 1902-February 1903. Most of the correspondence is by Walter S. Mallory, vice-president of the company, and John F. Randolph, treasurer. The letters deal mainly with the disposition of equipment and supplies from the Ogden works. There is also correspondence about the development of ore milling interests in England and Norway, the experimental use of Edison's bricker by Baldwin Locomotive Co. of Philadelphia, and the possible infringement of Edison's dryer patent by the M.H. Treadwell Co. of New York City. A portion of the company letterhead is affixed to the front cover and is inscribed "From June 16, 1902 To Feb. 27, 1903." The spine is stamped "Letters" and is marked "38." The book contains 999 numbered pages and an index. Approximately 10 percent of the book has been selected. Courtesy of Thomas Edison National Historical Park.