1883 Edison (Thomas A.) Construction Dept, Andrews, William Symes, Rich, William D, Leonard, Harry Ward and Edison, Thomas Alva -- Entire Folder or Volume
Engines, boilers, prime movers; Dynamos and generators; Central stations; Sockets, fuses, meters, and other interior elements
[CD001]  Company Records Series -- Electric Light Companies -- Domestic -- Edison Construction Department: Questions for Central Station Engineers (1883)
[CD001; TAEM 97:135]
Courtesy of Thomas Edison National Historical Park.