caption: The image shows a black and white photo of a metal object, which appears to be a diaphragm, sitting on top of a table. It has a cylindrical shape with a handle on one side and a nozzle on the other. The nozzle is connected to a metal pipe that runs along the top of the device. The device is surrounded by a metal frame with a few scratches and dents, indicating it has been exposed to the elements for some time.