Cryptic crossword

ACROSS

3. Notice the clue operated by the theatre electrician (9)

8. Nine gathered round the French holm oak (4)

9. Straw bed for friendly creature, one hears (9)

10. Idyllic place for a harbour round the East (6)

11. Keen to agree to differ (5)

14. Anthem put back in ‘Salute to Music’ (5)

15. Refractor is the property of Leonard (4)

16. Go through the letters in a certain amount of time (5)

18. Managed to get five hundred in foreign currency (4)

20 & 17Dn. Where to find knights of old catalogued! (2,3,5)

21. Young farm animals are safe investments (5)

24. Where footwear is fashioned eventually (2,4)

25. See 27 Across

26. Incorporated with a member of ancient civilisation (4)

27 & 25Ac. Entertainers indulging in irritable exchanges? (5-4,9)

DOWN

1. Right name for what disturbs the rest (9)

2. Renouncing hypocrisy in troubled reign (9)

4. Devise most of the factory machinery (4)

5. A wretched wench returning to Oklahoma city (5)

6. Is the seaman going with the Spanish girl? (6)

7. Dish of minced food in the mess! (4)

9. Throws stones and hides (5)

11. The jugs don’t sound like mine! (5)

12. The others about to take a course in selfcontrol (9)

13. Vital lease isn’t renegotiated (9)

17. See 20 Across

19. Several submarine operators (6)

22. Spin a yarn – it’s a swindle (5)

23. North African heathland (4)

24. Half of Carolina has turned this colour (4)