| 1939 WESTINGHOUSE AIR BRAKE CO Slack Adjuster |
| 1939 WESTINGHOUSE AIR BRAKE CO Brake Mechanism |
| 1939 WESTINGHOUSE AIR BRAKE CO Diaphragm Horn |
| 1939 WESTINGHOUSE AIR BRAKE CO Control Valve Art |
| 1939 WESTINGHOUSE ELECTRIC CO Runway Marker Light |
| 1939 WESTINGHOUSE AIR BRAKE CO Electrical Connecter |
| 1939 WESTINGHOUSE AIR BRAKE CO Dust Guard Patent |
| 1939 WESTINGHOUSE AIR BRAKE CO Brake Device Art |
| 1939 WESTINGHOUSE AIR BRAKE CO Rail Sanding Art |
| 1939 WESTINGHOUSE AIR BRAKE CO Pneumatic Signal |
| 1939 WESTINGHOUSE BRAKE SIGNAL Automatic Slack Adjuster |
| 1939 WESTINGHOUSE AIR BRAKE CO Magnetic Track Brake |
| 1939 WESTINGHOUSE AIR BRAKE CO Horn Patent Print |
| 1939 WESTINGHOUSE AIR BRAKE CO Piston Travel Amplifier |
| 1939 WESTINGHOUSE AIR BRAKE CO Sound Producer |
| 1939 WESTINGHOUSE AIR BRAKE CO Pneumatic Horn |
| 1939 WESTINGHOUSE ELECTRIC CO Ship Propulsion |
| 1939 WESTINGHOUSE AIR BRAKE CO Fluid Pressure Brake |
| 1939 WESTINGHOUSE Hand Brake Release Control Art |
| 1939 & 1964 NY World's Fair, WESTINGHOUSE TIME CAPSULE |
| 1939 N.Y. WORLD'S FAIR WESTINGHOUSE ELEKTRO ROBOT PIN |
| #3 Worlds FAIR Postcard New York 1939 WESTINGHOUSE CO. |
| 1939 NYWF Westinghouse Elektro Robot Pin |
| 1939 & 1964 NY World's Fair, WESTINGHOUSE TIME CAPSULE |