This notebook covers the period September-December 1879, with a few entries possibly dating from 1880. All of the entries are by Samuel D. Mott. Included are drawings of lamps, generators, vacuum pumps, and other devices such as the phonograph and the telephone. There are occasionally notes accompanying the drawings, some of which were used as illustrations in the Scientific American. The label on the front cover is marked \"Private\"" and \""S.D. Mott.\"" The first page is inscribed \""Edison\'s Inventions Notes & c.\"" Both the cover and the first page are stamped \""Edison Pioneers 40 West 40th Street New York City.\"" The book contains 284 numbered pages.

Blank pages: 53-284.

Missing page numbers: 9-10."