| 1937 COLE Clock Mechanism Patent Print Art |
| 1937 UNION Presser Mechanism Sewing Machines Art |
| 1937 PULLMAN CO Diaphragm Control Mechanism Art |
| 1937 JOSEPH Driving And Stopping Mechanism Art |
| 1937 PRINCE Clock Actuated Display Mechanism Art |
| 1937 FRED Lifting Mechanism Dump Bodies Art |
| 1937 NAT Friction Mechanism Car Trucks Art Print |
| 1937 UNITED Driving Stopping Mechanism Art Print |
| 1937 STANDARD STEEL WORKS Timing Mechanism Art |
| 1937 LUTTBEG Shift Key Mechanism Accordions Art |
| 1937 AVIAT CORP Driving Mechanism Propellers Art |
| 1937 NICHOLAS Driving Mechanism Patent Print Art |
| 1937 UNION Hand Brake Mechanism Art Print Patent |
| 1937 LARSSON Coupling Mechanism Patent Print Art |
| 1937 LAUTERBUR Timing Mechanism Patent Print Art |
| 1937 HOFFMAN Driving Mechanism Propellers Art |
| 1937 CONS Sewing Machine Feed Dog Mechanism Art |
| 1937 FRANKLIN Wedge Adjusting Mechanism Art |
| 1937 UNION Handwheel Operated Mechanism Art |
| 1937 O'CONNOR Handwheel Operated Mechanism Art |
| 1937 MICHAEL Time Operated Switch Mechanism Art |
| 1937 LANDIS GYR AG Time Measuring Mechanism Art |
| 1937 FINNEGAN Driving Mechanism Patent Print Art |
| 1937 CINCINNATI Railway Brake Mechanism Art |
| 1937 SHAFER Friction Mechanism Car Trucks Art |
| 1937 BOLESLAW Control Mechanism Airplanes Art |