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:
NCEnginePensacola. Airplane engine and propeller This is detail of the NC which made the first transatlantic flight in Now in the Pensacola Florida Naval Aviation Museum Photo by Infrogmation December Infrogmation Aircraft piston engines Curtiss NC Aircraft propellers Aircraft at National Museum of Naval Aviation