Contributions from the Museum of History and Technology: Science and Technology paper 30: The Development of Electrical Technology in the 19th Century: 3. The Early Arc Light and Generator
King, W. James. 1962. "Contributions from the Museum of History and Technology: Science and Technology paper 30: The Development of Electrical Technology in the 19th Century: 3. The Early Arc Light and Generator." Bulletin of the United States National Museum, (228) 333–407.