Pictures 3 Railroad Machine Shop and Foundry, Grafton West Virginia Tweet 1972. MACHINE SHOP, LOOKING EAST. 1972. SOUTH ELEVATION, LOOKING EAST. 1972. INTERIOR OF FOUNDRY LOOKING BACK TOWARD SHOP SECTION BEHIND WALL. 1972. DETAIL OF FINK TRUSS: CAST-IRON RIDGE SHOE. 1972. DETAIL OF FINK TRUSS: CAST-IRON COMPRESSION STRUT. 1972. DETAIL OF FINK TRUSS: PINNED CONNECTION OF TENSION AND COMPRESSION MEMBERS.