| 1938 EINWAECHTER Pilot And Coupler Structure Art |
| 1938 BOWER Locomotive Pilot Coupler Patent Print |
| 1938 PENNSYLVANIA RAILROAD CO Pilot Coupler Structure |
| 1938 OHIO BRASS CO Car Coupler Patent Print Art |
| 1938 STANDARD RAILWAY EQUIPMENT MFG Coupler Operating |
| 1938 LARSSON ERNST Car Coupler Patent Print Art |
| 1938 GOLDINGER Coupler Operating Device Patent |
| 1938 CONWELL Car Coupler Operating Device Patent |
| 1938 BUCKEYE STEEL CASTINGS CO Pilot Pilot Coupler |
| 1938 WOLFE HARRY Tight Lock Coupler Patent Print |
| 1938 STANDARD Car Coupler Operating Art Print |
| 1938 BUCKEYE STEEL CASTINGS CO Tight Lock Coupler |
| 1938 BUCKEYE STEEL CASTINGS CO Pilot Coupler Structure |
| 1938 GILPIN Car Coupler Centering Device Patent |
| 1938 BUCKEYE STEEL CASTINGS CO Locomotive Pilot Coupler |
| 1938 HOKE Pilot And Coupler Structure Patent |
| 1938 STANDARD Car Coupler Operating Mechanism |
| 1938 NICHOLAS Car Coupler Operating Mechanism |
| 1938 JOHNSON Pilot And Pilot Coupler Patent |
| 1938 STANDARD Car Coupler Centering Art Print |