Unbound Notebooks, Vol. 17 (1877-1878)
This volume covers the period September 1877-November 1878. The notes and drawings are by Edison, Charles Batchelor, and John Kruesi, and they all relate to the phonograph. The volume consists of 187 numbered, unbound pages.
Several pages from Vol. 17 were published in The Papers of Thomas A. Edison, Vols. 3 and 4. These pages have been arranged in their proper sequence. \n\n