| 1920 SALVATORE Marine Propeller Patent Print Art |
| 1920 ALFRED Propeller Mud Guard Aeroplanes Art |
| 1920 ST JOHN Rubber Propeller Patent Print Art |
| 1920 SHERWOOD Duplex Propeller Patent Print Art |
| 1920 GALLAGHER FRANK Propeller Patent Print Art |
| 1920 BRUNO SCHMELZER Propeller Patent Print Art |
| 1920 LA FLEUR Propeller Patent Print Art |
| 1920 PITTSBURGH AEROPLANE MOTOR C Propeller Art |
| 1920 EDWARD Marine Propeller Patent Print Art |
| 1920 SANFORD CHARLES Propeller Patent Print Art |
| 1920 YOUNGQUIST Propeller Art |
| 1920 PRATT ROBERT Propeller Patent Print Art |
| 1920 BOEHM VALTIN Propeller Patent Print Art |
| 1920 ARTHUR B SULLIVAN Aeroplane Propeller Art |
| 1920 DAVEY ODDY Propeller Patent Print Art |
| 1920 WINDSOR Propeller Operation In Air Art |
| 1920 MUSANTE JOHN Propeller Patent Print Art |
| 1920 SPENCER Protector Propeller Blades Art |
| 1920 FRANK FOLEY Propeller Patent Print Art |
| 1920 GALLAGHER Propeller Patent Print Art |
| 1920 EDWARD Aeroplane Propeller Patent Print Art |
| 1920 LEE Fan Propeller &C Art |