This letterbook covers the period July-November 1893. Most of the correspondence is by William S. Perry, treasurer of the company; John P. Walsh, sales agent for sand; and Edwin I. Olmsted, purchasing agent. The letters deal mainly with stock transactions, company financial obligations, equipment, supplies, and sand orders. Included are items pertaining to the purchase of insurance on Edison's life, with the company as beneficiary; the market price of General Electric securities; and general economic conditions. One letter relates to a directors' meeting of the Edison Ore Milling Co., Ltd. The spine is stamped "8" and is labeled "From July 25, 1893 To Nov. 18, 1893 N Y Office." The book contains 1002 numbered pages and an index. Less than 5 percent of the book has been selected.