| 1929 WENDT Propeller Attachment Patent Print Art |
| 1929 FRANK HOFFMAN Propeller Patent Print Art |
| 1929 JATUNN Aeroplane Propeller Patent Print Art |
| 1929 WALTER Aeroplane Propeller Patent Print Art |
| 1929 TAYLOR JAMES Propeller Patent Print Art |
| 1929 FRIEDRICH Ship'S Propeller Patent Print Art |
| 1929 KENNETH D CLARK Propeller Patent Print Art |
| 1929 DWELLE Aeroplane Propeller Patent Print Art |
| 1929 WATSON Propeller Patent Print Art |
| 1929 GEORGE CHECKLEY Propeller Patent Print Art |
| 1929 WIGGER Driving A Fin Shaped Propeller Art |
| 1929 GABULL Propeller Guard Patent Print Art |
| 1929 THOMPSON Screw Propeller Patent Print Art |
| 1929 KRODEL Propeller Mechanism Patent Print Art |
| 1929 DEERING AUGUST Propeller Patent Print Art |
| 1929 ANDERSON Boat Propeller Patent Print Art |
| 1929 GEORGE Propeller Patent Print Art |
| 1929 HAMILTON AERO Cowl Propeller Hubs Art |
| 1929 ADOLPH SCHERTZ Propeller Patent Print Art |
| 1929 WATSON EDWARD Propeller Patent Print Art |
| 1929 SCHROEDER ERNEST Propeller Patent Print Art |