| 1942 DICKS Controllable Propeller Patent Print |
| 1942 JOHNSON HARRY Propeller Patent Print Art |
| 1942 BALDWIN EDWARD Propeller Patent Print Art |
| 1942 CLIFFORD NORMAN Propeller Patent Print Art |
| 1942 STEINHAUS Airplane Propeller Patent Print |
| 1942 ALAN OSBOURNE Marine Propeller Patent Print |
| 1942 ERLE Propeller Blade Mounting Patent Print |
| 1942 DI Variable Pitch Propeller Patent Print |
| 1942 SENSENICH Airplane Propeller Patent Print |
| 1942 CURT Variable Pitch Propeller Patent Print |
| 1942 ERLE Aeronautical Propeller Patent Print |
| 1942 DI CESARE Propeller Blade Patent Print Art |
| 1942 FIKE Variable Pitch Propeller Patent Print |
| 1942 MULLEN MILTON Propeller Patent Print Art |
| 1942 COGSWELL Marine Propeller Patent Print Art |
| 1942 FRITZ PRESSER Propeller Patent Print Art |
| 1942 CALDWELL Composite Propeller Patent Print |
| 1942 GISCHOW Propeller And The Like Patent Print |
| 1942 JOSEPH Propeller Deicing Means Art Print |
| 1942 DE LAVAUD Propeller Patent Print Art |
| 1942 WOODS ROBERT Propeller Fairing Patent Print |
| 1942 OUTBOARD MARINE COMPAN Propeller Art Print |
| 1942 MATTSON OTTO Propeller Blade Patent Print |
| 1942 WILLIAM Propeller System Patent Print Art |
| 1942 FRANCIS MILLER Propeller Patent Print Art |
| 1942 GUSTAV Screw Propeller Patent Print Art |
| 1942 BALDWIN Propeller Patent Print Art |
| 1942 CLAYTON Propeller Patent Print Art |
| 1942 CLAYTON UPTON Propeller Patent Print Art |
| 1942 VOSE EDWIN Aircraft Propeller Patent Print |
| 1942 ANTON ROBER Propeller Patent Print Art |
| 1942 REID LELAND Propeller Patent Print Art |
| 1942 ROBY Variable Pitch Propeller Patent Print |