1. Doubter (8)
5. Type of bullet (6)
9. A keyboard musician (8)
10. Invented the light bulb (6)
12. Coach (5)
13. Prohibit (9)
14. Cavort (6)
16. Cleft (7)
19. Continuing forever (7)
21. A rapidly flashing light (6)
23. Vaporization of a solid (9)
25. Whip (5)
26. Peculiarity (6)
27. Complained (8)
28. Mountain range (6)
29. Political orientation (8)
Down
1. Terminates (6)
2. Talk terms (9)
3. Submarine detector (5)
4. Impart gradually (7)
6. Under garments (9)
7. Fish broth (5)
8. Troubadour (8)
11. Ear-related (4)
15. Handrail (9)
17. Embroilment (9)
18. Sittings (8)
20. Its symbol is Pb (4)
21. Smiled contemptuously (7)
22. Out of fashion (6)
24. Symbol of authority (5)
25. A toy wind instrument (5)