09/07/1877 Edison, Thomas Alva -- Essays
(Western Union; Gold & Stock Telegraph Co; Carman, George E; Bell, Alexander Graham; Force, Martin N; Batchelor, Charles; Adams, James; Kruesi, John) Cylinder phonograph
[NV17]  Notebook Series -- Unbound Notebooks: Vol. 17 (1877-1878)
[NV17013; TAEM 4:882]
Courtesy of Thomas Edison National Historical Park.