This letterbook covers the period November-December 1898. All of the correspondence is by Walter S. Mallory, vice-president of the company. His letters deal mainly with briquettes, equipment, and supplies. Some of the items relate to operations at the Ogden works. One letter refers to Edison's method of hiring people. The spine is stamped "Letters" and is labeled "Nov. 12, 1898 to Dec. 14, 1898." The book contains 705 numbered pages and an index. Pages 421-705 are blank. Approximately 10 percent of the book has been selected.