| 1933 CAILLE MOTOR Propeller Control Means Art |
| 1933 AMERICAN GYRO CO Propeller Patent Print Art |
| 1933 LANSING RAYMOND Propeller Patent Print Art |
| 1933 ECLIPSE AVIAT CORP Propeller Patent Print |
| 1933 SPERRY Variable Pitch Propeller Patent |
| 1933 KONTOS Propeller Novel Shaped Blades Patent 19245 |
| 1933 KOZUB Selective Pitch Propeller Patent |
| 1933 DALE D HALE RAY M HALE Airplane Propeller |
| 1933 JOHNSON NELSON Propeller Balance Patent |
| 1933 SMITH Propeller Control Means Art Print |
| 1933 OHNSORG Rctary Wing Aircraft Propeller Art |
| 1933 CALDWELL FRANK Propeller Patent Print Art |
| 1933 JOHN Reversing Stopping Propeller Mechanism |
| 1933 HAMILTON STANDARD PROPELLER CO Propeller |
| 1933 JAMES Propeller Drive Outboard Motors Art |
| 1933 SPERRY DEV Variable Pitch Propeller Art |
| 1933 MARTIN Propeller And Shaft Coupling Patent |
| 1933 HAVILL CLINTON Propeller Patent Print Art |
| 1933 WINGLER Variable Pitch Propeller Patent |
| 1933 IRGENS Propeller Gear Housing Patent Print |
| 1933 WOOD Propeller Construction Patent Print |
| 1933 A J O BRIEN Hydraulic Propeller Patent |
| 1933 UPPERCU CORP Variable Pitch Propeller Art |
| 1933 CAILLE MOTOR COMPANY Propeller Patent Print |
| 1933 WIGGER Fin Propeller Art |
| 1933 MACMECHEN THOMAS Propeller Patent Print Art |
| 1933 PEDRO Propeller Patent Print Art |
| 1933 ROLAND Variable Pitch Propeller Patent |
| 1933 SPENCER HEATH Propeller Patent Print Art |
| 1933 WILLIAM Automatic Variable Pitch Propeller |
| 1933 TAYLOR Stern Wheel Propeller Patent Print |
| 1933 SHERMAN Marine Propeller Patent Print Art |
| 1933 JOSIE OHNSORG Rctary Wing Aircraft Propeller |
| 1933 LILLEY Hydraulic Propeller Patent Print Art |
| 1933 WIGGER MEINDERSMA Fin Propeller Patent |
| 1933 HOLMES EDGAR Propeller Patent Print Art |
| 1933 BACE Propeller Pitch Regulator Patent Print |
| 1933 SHERMAN CRUMP Marine Propeller Patent Print |
| 1933 JOHN SQUIRES Propeller Patent Print Art |
| 1933 WILLIAM STELZER Propeller Patent Print Art |
| 1933 OUTBOARD MOTORS CORP Propeller Gear Housing |
| 1933 MINTO WALLACE Propeller Patent Print Art |
| 1933 EUGENE SMITH Airplane Propeller Patent |
| 1933 LAMBERT Automatic Variable Pitch Propeller |
| 1933 WILLIAM LAMBERT Propeller Hub Patent Print |
| 1933 GEORGE Marine Propeller Having A Transverse Motion |
| 1933 PIERRE RATIER Metallic Propeller Patent |
| 1933 AMERICAN PROPELLER COMPANY Propeller Patent |
| 1933 MCCROSKY BYNUM Propeller Patent Print Art |
| 1933 SMITH Propeller Patent Print Art |
| 1933 GEORGE W KRICK Propeller Patent Print Art |