Complete
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1 8 11 14 18 20 22 2 19 17 10 3 9 4 16 15 5 21 23 6 12 7 13
  1. 1 a American pioneer of mass car production, d. 1947 (4)
  2. 3 a Terraced houses built to form an arc (8)
  3. 8 a Security feature — hair piece? (4)
  4. 9 a Black and white cattle breed (8)
  5. 11 a Silly behaviour (10)
  6. 14 a Beam over a doorway (6)
  7. 15 a Bay opening off a room (6)
  8. 17 a Destitute (4-3-3)
  9. 20 a God's act of bringing the universe into existence (8)
  10. 21 a Brief satirical sketch (4)
  11. 22 a Made bigger (8)
  12. 23 a Spoken (4)
  13. 1 d Flat out (4,4)
  14. 2 d North Yorkshire market town — London borough (8)
  15. 4 d Seldom (6)
  16. 5 d Declare emphatically (5,5)
  17. 6 d Leave by a slip road (4)
  18. 7 d Wee (4)
  19. 10 d Let's Do It songwriter (4,6)
  20. 12 d Colleague (2-6)
  21. 13 d Eschewing all booze (8)
  22. 16 d Catnap (6)
  23. 18 d 4,840 square yards (4)
  24. 19 d Sense physically or emotionally (4)

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