| Engine parts |
| Genetically engineered, highly selective medical treatment |
| Inventory item |
| Auto engine parts |
| Inventory, for short |
| Goes kaput, as an engine |
| Aircraft-engine intakes |
| Inventory |
| Inventor's spark |
| German inventor, designer of the first rigid motorised airship, d. 1917 |
| Guns (the engine) |
| Inventor friend of Henry Ford |
| Anti-gravity suit" inventor Dr Wilbur _____ |
| Electronic providers of price and inventory information |
| Actress and inventor Lamarr |
| Classic cars that were the first to have Ram Air engines |
| Like a disengaged engine |
| Reduce engine heat, in a way |
| Engineers' colleagues |
| Fire engine destination |
| Dotty inventor? |
| Fill up, as an inventory |
| Inventor and electricity pioneer (the coil named for him is twisted up in four answers) |
| Barmy (Spanish) — engine (abbr) |
| Fig. on an inventory |
| Inventor's cry of discovery |
| Aircraft-engine enclosure |
| Military hierarchy inventor's inspiration? |
| Airline inventory |
| Adventurer's inventory |