This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Newcomen atmospheric engine Heat Engines . Boiler furnace Steam boiler Steam valve Engine cylinder Piston Pistonrod Beam Heavy pumprod Mine pump Pump for condensing water Pipe leading to condensing water tank Condensing water pipe Injection cock to cylinder Watertap to top of piston Relief or snifting valve Eduction