This letterbook covers the period June-July 1894. Most of the correspondence is by Edison and Walter S. Mallory, vice-president of the company. The letters deal mainly with personnel matters, equipment, and supplies. Other items describe operations and changes at the Ogden works, labor troubles attributed to liquor, and Edison's health. Also included is a consulting engineer's report on the traveling crane. The front cover is stamped "Copying Book" and is marked "June 5th 1894 to July 16, 1894." The spine is labeled "#3 June 5, 1894 to July 16 18[94]." The book contains 498 numbered pages and an index. Approximately 5 percent of the book has been selected.

Courtesy of Thomas Edison National Historical Park.