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:
LoadDispatcherMimicBoard. Amtrak Thirtieth Street Station Philadelphia Pennsylvania USA Installed for the Pennsylvania Railroad in Historic American Engineering Record View west within the periphery of the load dispatch model board operator's console and button board is in the lower left quadrant of the photograph Thirtieth Street