This notebook covers the period September 1879-January 1880. The entries are by Edison, Charles Batchelor, and James Seymour. The book contains notes on telephone experiments and lists of telephones packed and shipped to England and elsewhere. The label on the front cover is marked "Telephone" and "New Receiver." The book contains 266 numbered pages.
Blank pages: 136-138, 143-155, 176, 179-191, 222-245.
Missing page numbers: 139-142, 145-146, 177-178, 211-212, 227-228, 247-248, 251-254, 257-260. Courtesy of Thomas Edison National Historical Park.