10/04/1878 Carman, George E, Force, Martin N, Batchelor, Charles, Edison, Charles Pitt, Kruesi, John, Edison, Thomas Alva and Carman, William -- Technical Notes and Drawings
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[NV18]  Notebook Series -- Unbound Notebooks: Vol. 18 (1878)
[NV18019; TAEM 4:1059]
Courtesy of Thomas Edison National Historical Park.