Public domain photos

The image shows a black and white photo of a machine with a variety of pipes, meters, and other objects. It appears to be a control center, with the pipes and meters likely used to control the flow of liquids or gases.

The image shows a black and white photo of a machine with a variety of pipes, meters, and other objects. It appears to be a control center, with the pipes and meters likely used to control the flow of liquids or gases.Open in library