
Switchboard, 1949

Description
Switchboard which controls components of the Machine Transients Laboratory section within the Dynamo Electric Machinery Laboratory.
Original caption: "Plate II, Switchboard for control of Machine Transients Laboratory".
Switchboard which controls components of the Machine Transients Laboratory section within the Dynamo Electric Machinery Laboratory.
Original caption: "Plate II, Switchboard for control of Machine Transients Laboratory".