The Missabe & Iron Range #604 steam engine's interior shows numerous valves for controlling the steam as well as a shovel used to shovel coal into the boiler in Greenville Pennsylvania
DuluthGreenvilleMissabe Iron Range RR No. 604 0102 steam engineNorth AmericaPennsylvaniaRailroadSuperStock SubmissionU.S.United Statesblack redcolorcommercehorizontalred knobs on valvessteam enginesteam engine interiorsteam engine interior valvessteam engine valves and shoveltransportationSteamEngineCab