A black and white photograph depiciting electronic devices, most likely in a control room for a factory on Goat Island. During World Wars I and II, Goat Island served as the location of the U.S. Naval Torpedo Station. Several tall, rectangular boxes are shown, some with wires at their tops. These rectangular boxes have doors with several smaller, inset panels. Large metal forms are seen on the floor among scattered debris. A painted sign on the wall reads: CO2 EXT. (See also P8056)