| 1970 NELSON Propulsion Unit Aircraft Other Vehicles |
| 1970 ROMERO Propulsion Chain Construction Method |
| 1970 TROY A RAY Propulsion Unit Patent Print Art |
| 1970 TADO Outboard Propulsion Apparatus Patent |
| 1970 US NAVY Ducted Propulsion Units Vtol Aircraft |
| 1970 GEN ELECTRIC Aircraft Nuclear Propulsion System |
| 1970 AEROJET GENERAL CO Marine Propulsion Motors |
| 1970 LAMBURN Propulsion Of A Boat Patent Print |
| 1970 WHITE LTD SAMUEL Propulsion Unit A Vessel |
| 1970 LICHFIELD WILLIAM Propulsion Unit Patent |
| 1970 SCHERER Hydrofoil Propulsion Control Methods |
| 1970 KAPPUS Aircraft Nuclear Propulsion System |
| 1970 SLADE Propulsion Unit For A Vessel Patent |
| 1970 YANMAR DIESEL ENGINE CO Outboard Propulsion |
| 1970 HUBER Jet Propulsion Units Water Craft Art |
| 1970 HUBER LUDWIG Jet Propulsion Units Water Craft |
| 1970 DAVIS Marine Propulsion Motors Patent Print |
| 1970 WILSON Underwater Propulsion Device Patent |
| 1970 AXEL CHARLES WICKMAN Propulsion A Boat Art |
| 1970 SHIMANCKAS Manual Tilting Marine Propulsion Units |
| 1970 IRGENS Steering Mechanism A Marine Propulsion Unit |
| 1970 GILL CHARLES D H Jet Propulsion Plant Art |
| 1970 HOPE GILL Jet Propulsion Plant Patent Print |
| 1970 WEIDINGER Air Intake A Jet Propulsion Aircraft |
| 1970 JOHNSON Ducted Propulsion Units Vtol Aircraft |