| 1934 FRANK Variable Pitch Propeller Patent Print |
| 1934 SMITH Propeller Patent |
| 1934 BENDIX RES COMPORATION Propeller Patent |
| 1934 HOUSTON GEORGE Propeller Patent Print Art |
| 1934 HAVILL Automatic Propeller Patent Print Art |
| 1934 HEBBARD Adjustable Propeller Patent Print |
| 1934 ALESSANDRO CUTOLO Propeller Patent Print |
| 1934 KELM Automatic Variable Pitch Propeller Art |
| 1934 HUGH L STRICKLAND Variable Pitch Propeller |
| 1934 JOHN A WILLIAMS Propeller Patent Print Art |
| 1934 MARTENS Controllable Pitch Propeller Hub |
| 1934 GARDNER Aircraft Propeller Patent Print Art |
| 1934 PARKER Propeller Construction Aircraft Art |
| 1934 DONOHUE Propeller Mechanism Aircraft Art |
| 1934 JOSEPH Noiseless Propeller Blade Aircraft |
| 1934 ERNEST TULLY Ship'S Propeller Patent Print |
| 1934 VICTOR LOUGHEED Screw Propeller Patent |
| 1934 JOSEPH TOTH Air Propeller Patent Print Art |
| 1934 FORSHEE JOSEPH Propeller Patent Print Art |
| 1934 JACKSON Feathering Propeller Patent Print |
| 1934 HARTZELL INDUSTRIES Propeller Mounting Art |
| 1934 MANGANESE BRONZE BRASS COMPA Propeller Like |
| 1934 EDWIN ROBERTS Screw Propeller Patent Print |
| 1934 VICTOR Marine Screw Propeller Patent Print |
| 1934 EDWARD A WILKE MAE V WILKE Propeller Blade |
| 1934 ECLIPSE AVIAT CORP Variable Pitch Propeller |
| 1934 HOWARD WASHBURNE Propeller Patent Print Art |
| 1934 JOHN SQUIRES Propeller Patent Print Art |
| 1934 ARTHUR Adjustable Propeller Patent Print |
| 1934 VINCENT BENDIX Propeller Patent Print Art |
| 1934 ROTH Variable Pitch Propeller Patent Print |
| 1934 CHANDLER Outboard Propeller Rudder Mounting |
| 1934 PEREYRA LUIS Twin Propeller Patent Print |
| 1934 KIRK Variable Pitch Propeller Patent Print |
| 1934 GIBBS ORMA Airplane Propeller Patent Print |
| 1934 EMIL MANASEK Aircraft Propeller Patent |
| 1934 PATRICK H CROW Propeller Hub Patent Print |
| 1934 HOOVER Variable Pitch Propeller Mechanism |
| 1934 ALBERT RUPP Propeller Hub Patent Print Art |
| 1934 WIEGAND Aircraft Propeller Patent Print Art |
| 1934 LANSING Variable Pitch Propeller Patent |
| 1934 LYMAN WILLIAM Aircraft Propeller Patent |
| 1934 BENDIX AVIAT CORP Propeller Patent Print |
| 1934 THOMPSON Airplane Propeller Patent Print |
| 1934 BENDIX RES CORP Propeller Patent Print Art |
| 1934 ECKHOLD CHARLES Propeller Patent Print Art |
| 1934 LAMBERT Automatic Variable Pitch Propeller |
| 1934 MARK WILSON Propeller Patent Print Art |
| 1934 MARION O'BRYAN Propeller Patent Print Art |
| 1934 BROOKS Variable Pitch Propeller Patent |
| 1934 ERNEST Ship'S Propeller Patent Print Art |
| 1934 ECLIPSE AVIAT CORP Automatic Propeller Art |
| 1934 EDWARDS HERBERT Propeller Drive Patent |
| 1934 TOTH Air Screw Propeller Space Patent 21445 |
| 1934 CHANCE Varying Pitch Aeroplane Propeller Blades |
| 1934 MARTIN MANSSON Propeller Patent Print Art |
| 1934 ZEUS Automatic Altitude Propeller Patent |
| 1934 WALTERS JR Propeller Patent Print Art |
| 1934 EUGENE B BERKOWITZ Airplane Propeller Art |
| 1934 PEREYRA Twin Propeller Patent Print Art |
| 1934 PACKARD MOTOR CAR CO Propeller Drive Patent |
| 1934 ECLIPSE AVIAT CORP Automatic Altitude Propeller |
| 1934 RILEY BALLARD Propeller Patent Print Art |
| 1934 DE Conical Spiral Screw Propeller Patent |
| 1934 ECLIPSE AVIAT CORP Propeller Patent Print |
| 1934 FREDERICK Propeller Mounting Patent Print |
| 1934 GRACE LYMAN Aircraft Propeller Patent Print |
| 1934 HAVILL CLINTON Propeller Patent Print Art |
| 1934 Variable Pitch Screw Propeller Patent |
| 1934 WILLIAMSON JAMES Propeller Patent Print Art |
| 1934 HOOVER WALTER Propeller Hub Patent Print |
| 1934 MARTENS FRED Propeller Blade Patent Print |
| 1934 LEE ROGER Propeller Patent Print Art |
| 1934 WILLIAM Automatic Variable Pitch Propeller |
| 1934 HARRISON Automatic Variable Pitch Propeller |
| 1934 BLANCHARD Variable Pitch Propeller Patent |
| 1934 DE Automatically Variable Pitch Propeller |
| 1934 HEINRICH Propeller Method Manufacturing Same |
| 1934 HARRISON BATES Propeller Patent Print Art |