| 1925 WEIDINGER WILLIAM Propeller Patent Print |
| 1925 HORNBUCKLE SR Propeller Patent Print Art |
| 1925 WILLIAM C LICHTENSTEIN Propeller Patent |
| 1925 SLOCUM Propeller Mount Patent Print Art |
| 1925 NEWCOMB Whistling Propeller Toy Patent |
| 1925 FREDERICK Propeller Patent Print Art |
| 1925 ENRICO PISTOLESI Air Propeller Patent Print |
| 1925 FREDERICK BRACCO Propeller Patent Print Art |
| 1925 MCDONALD WILLIAM Propeller Patent Print Art |
| 1925 MARCELLUS Propeller Patent Print Art |
| 1925 MARCELLUS HENDERSON Propeller Patent Print |
| 1925 SLOCUM STEPHEN Propeller Mount Patent Print |
| 1925 REED PROPELLER CO INC Propeller Patent |
| 1925 ROY FEDDEN Screw Propeller Patent Print Art |
| 1925 ROSS PROPELLER CORP Screw Propeller Patent |
| 1925 AKIMOFF Propeller Appendage Patent Print |
| 1925 FRANCIS Propeller Patent Print Art |
| 1925 ROBERTS ISAIAH Propeller Patent Print Art |
| 1925 ANTON FLETTNER Propeller Patent Print Art |
| 1925 FRANCIS MURPHY Propeller Patent Print Art |
| 1925 HENRY LEITNER Screw Propeller Patent Print |
| 1925 CALLAHAN JOSEPH Propeller Patent Print Art |
| 1925 SPENCER Airplane Propeller Patent Print Art |
| 1925 WILBUR Screw Propeller Patent Print Art |
| 1925 HARLEY Propeller For Boats Patent Print Art |
| 1925 WM REGENER Air Propeller Patent Print Art |
| 1925 CLAY Special Fabric Propeller Patent Print |
| 1925 CAMPBELL MACMILLAN Propeller Patent Print |
| 1925 MOTHERAL SAMUEL Propeller Patent Print Art |
| 1925 GEN ELECTRIC Propeller Patent Print Art |
| 1925 CHARLES Auxiliary Propeller Patent Print |
| 1925 SANFORD GEORGE Airship Propeller Patent |
| 1925 NIXON MOSES Propeller Apparatus Patent |
| 1925 OLE Motor Propeller Patent Print Art |
| 1925 SPENCER Variable Pitch Propeller Patent |
| 1925 OLE EVINRUDE Motor Propeller Patent Print |