| OPHICLEIDE | Keyed musical instrument that was developed as an improvement on the serpent (10) |
| BAZOOKA | Portable missile or rocket launcher - it was developed as an anti-tank weapon |
| THEORBO | An old musical instrument that was a large lute (7) |
| SITAR | Musical instrument that was played by Ravi Shankar (5) |
| FORTHEBETTER | As an improvement on the gambler's behalf? (3,3,6) |
| SAXOPHONES | Keyed musical instruments (10) |
| ORGANIC | Modern _______ farming was developed as a response to the harm caused by the use of chemical pesticides and synthetic fertilizers in conventional agriculture (7) |
| SWEDE | What vegetable was developed as a cross between a turnip and wild cabbage? (5) |
| PREVENTION | An improvement on medical attention |
| ARKWRIGHT | Richard ____ and John Kay developed the spinning frame, an improvement on the previous spinning jenny |
| BETA | This version was an improvement on the first I heard (4) |
| NUCLEARPHYSICS | Science that sounds like an improvement on the old, murky sort? (7,7) |
| ANTECEDENT | A decent net - improvement on a forerunner (10) |
| GREATPARIS | In 1811 Napoleon and his officers started using used this code, which was a great improvement on a previous code, which had been deciphered by Major George Scovell. |
| EGGBEATER | Helicopter makes an improvement on part of the clutch (9) |
| ADVANCEDLEVEL | A technological improvement on the carpenter's tool was above normal (8,5) |
| OBOE | Wind instrument that was once known as the hautbois (4) |
| CHALUMEAU | An early rustic, reed instrument that was a forerunner of the clarinet (9) |
| SHAWM | Medieval and Renaissance instrument that was the forerunner of the hautboy or oboe (5) |
| PCP | Hallucinogen that was originally developed as an anesthetic, in brief |
