| 1939 GOETTIE Roller Skate Brake Patent Print Art |
| 1939 AURIEN Carrier Iron And Brake Fulcrum Art |
| 1939 BUFFALO BRAKE BEAM CO Brake Beam Strut Art |
| 1939 AMERICAN Carrier Iron Brake Fulcrum Art |
| 1939 PENNSYLVANIA RAILROAD CO Brake Rigging Art |
| 1939 HANSEN LARRY Brake Rigging Patent Print Art |
| 1939 WESTINGHOUSE AIR BRAKE CO Control Valve Art |
| 1939 ILLINOIS Brake Hanger Retainer Art Print |
| 1939 UNION Hand Brake Mechanism Art Print Patent |
| 1939 CLARK EQUIPMENT CO Brake Patent Print Art |
| 1939 WESTINGHOUSE AIR BRAKE CO Brake Device Art |
| 1939 CLEAVE Nonspin Wheel Brake Patent Print Art |
| 1939 WESTINGHOUSE AIR BRAKE CO Rail Sanding Art |
| 1939 BENDIX PROD CORP Brake Patent Print Art |
| 1939 BUSCH CHARLES Brake Beam Patent Print Art |
| 1939 FARMER CLYDE Brake Device Patent Print Art |
| 1939 ERNST ZINDEL Rudder Brake Patent Print Art |
| 1939 GEN ELECTRIC Electromagnetic Rail Brake Art |
| 1939 WILLIAM BURGETT Ski Brake Patent Print Art |
| 1939 CHICAGO Brake Gear Safety Guard Art Print |
| 1939 BUSCH Combination Brake Beam And Head Art |
| 1939 BROWN WILLIAM Truck Brake Patent Print Art |
| 1939 WESTINGHOUSE Hand Brake Release Control Art |