This letterbook covers the period February-June 1887. Many of the letters are by Edison. There is also correspondence by Alfred O. Tate, Samuel Insull, and John F. Randolph. Most of Edison's correspondence is in the hand of Tate or Randolph, acting as his secretary. The correspondence relates primarily to Edison's personal dealings. Included are letters concerning the construction and furnishing of Glenmont, Edison's home in Llewellyn Park, and the disposition of Edison's dividend and royalty proceeds to various financial institutions. Other letters pertain to Edison's payments to family members, including a weekly allowance paid to Margaret Stilwell, mother of Mary Stilwell Edison. There is also correspondence regarding Edison's objections to unauthorized use of his name for product endorsements. Other material relates to illuminating company stock transactions, equipment purchases for the West Orange laboratory, and an agreement between Edison and the A.B. Dick Co. concerning the autographic press. There are also responses to inquiries about the phonograph and about the Edison Ore Milling Co., Ltd. The front cover is labeled "General Letter Book," "Feby. 21," and "1887." The spine is stamped "Letters." The book contains 497 numbered pages and an index. Approximately 30 percent of the book has been selected. Courtesy of Thomas Edison National Historical Park.