| 1925 JOHNSON OLIVER Flying Machine Patent Print |
| 1925 FREMONT BURRILL Flying Machine Patent Print |
| 1925 GLESSNER CHARLES Flying Machine Patent |
| 1925 PHILANDER H ADAMS Flying Machine Patent |
| 1925 HUGO Flying Machine Covering Patent Print |
| 1925 HUGO JUNKERS Flying Machine Patent Print |
| 1925 UPPERCU INGLIS Flying Boat Hull Patent |
| 1925 SHAW FRANK Flying Machine Patent Print Art |
| 1925 STRONG WILLIAM Flying Machine Patent Print |
| 1925 CLAUDIUS DORNIER Flying Machine Patent |
| 1925 BLACKMORE CHARLES Flying Machine Patent |
| 1925 HOBACK JOSEPH Flying Machine Patent Print |
| 1925 FRANZ SCHUH Flying Machine Patent Print Art |
| 1925 ECKLER GEORGE Flying Machine Patent Print |
| 1925 WILLIAM BROWN Flying Machine Patent Print |
| 1925 SMITH Flying Machine Design Patent 8807 |
| 1925 DEMPSTER Toy Flying Machine Patent Print |
| 1925 SMITH Helicopter Flying Machine Patent |
| 1925 LOUIS HARTH Flying Machine Patent Print Art |
| 1925 CARL KNOBLOCH Flying Machine Patent Print |
| 1925 FRANCIS MYERS Flying Machine Patent Print |
| 1925 FRIEDRICH HARTH Flying Machine Patent Print |
| 1925 SIKORSKY IGOR Flying Machine Patent Print |
| 1925 SEWELL WILLIAM Flying Machine Patent Print |
| 1925 ERICH OTTO Flying Machine Patent Print Art |
| 1925 CLAUDE DORNIER Giant Flying Boat Patent |
| 1925 VERVILLE Bailer For Flying Boats Patent |