Complete
00:00:00
1 8 10 13 16 20 22 2 3 9 19 17 4 15 14 5 12 11 6 21 7 18
  1. 1a 1605 Catholic conspiracy to upset the English establishment (9,4)
  2. 8a Elementary stages (of the alphabet?) (abbr) (3)
  3. 9a Blender (4,5)
  4. 10a Profundity (8)
  5. 11a Medical check using radiation, ultrasound etc (4)
  6. 13a Locomotion (6)
  7. 14a A cricketing wrong 'un (6)
  8. 16a Set of conventions (4)
  9. 17a A cricketing four or six (8)
  10. 20a Modelled after something else (9)
  11. 21a Bottom edge (3)
  12. 22a In a big and impressive way (13)
  13. 1d Secretory organ (5)
  14. 2d Of minor importance in America! (6-3-4)
  15. 3d Culprit (8)
  16. 4d Feeling sleepy (6)
  17. 5d Bottom (4)
  18. 6d Dictionary expert (13)
  19. 7d Authoritarianism (7)
  20. 12d Milled maize (8)
  21. 13d Enthusiastic experts on computers etc (abbr) (7)
  22. 15d Aries, Taurus et al (6)
  23. 18d That tastes good! (informal) (5)
  24. 19d Enormous (4)