Rutgers, The State University of New Jersey

06/14/1875 Batchelor, Charles -- Technical Notes and Drawings

Automatic telegraphy

[NE1676]  Notebook Series -- Newark Shop Notebooks: Cat. 1172 Bound Notebook (1871-1872, 1874-1875)
[NE1676239; TAEM 3:148]
Courtesy of Thomas Edison National Historical Park.