Complete
00:00:00
8 10 13 16 6 5 19 1 17 2 9 14 3 11 15 4 12 18 7
  1. 5a Limit (9)
  2. 8a Tiller (4)
  3. 9a Take more reservations than there are places available (8)
  4. 10a Orange vegetable (6)
  5. 11a Make certain for the future (6)
  6. 13a I am grateful (6)
  7. 15a Amalgamation (6)
  8. 16a Valiant and chivalrous (8)
  9. 18a Travelling bag (4)
  10. 19a Awkward (9)
  11. 1d 'Deafening silence', for example — or on my ox (anag) (8)
  12. 2d Come off the booze (3,3)
  13. 3d Unit of electric current (6)
  14. 4d Sudden sharp feeling (4)
  15. 6d Voice-amplifying device (9)
  16. 7d Middle-class (9)
  17. 12d Harem — or silage (anag) (8)
  18. 14d Device for finding one's way (6)
  19. 15d Town officials (6)
  20. 17d Butting animal (4)