09/25/1878 Carman, George E, Force, Martin N, Batchelor, Charles, Kruesi, John, Griffin, Stockton L, Edison, Thomas Alva and Carman, William -- Technical Notes and Drawings
Incandescent lamp; Vacuum and glass bulb
[NV16]  Notebook Series -- Unbound Notebooks: Vol. 16 (1878-1879)
[NV16040; TAEM 4:518]
Courtesy of Thomas Edison National Historical Park.