Arthur Wynne (Puzzle 1)

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Across
  1. 1. They make hills, or breakwaters (5).
  2. 4. Perform in a hat, being touchy? (7).
  3. 6. He'd have time for Ivy (6).
  4. 7. Swiss town back on Gunner Pass (7).
  5. 8. Poor fiddler at the front door (7).
  6. 14. Watches Hearts? (7).
  7. 18. A jumping display, plenty of it (9).
  8. 20. But they were anti the S. African cricket tour (10).
  9. 21. Is Room 100 prepared for the dance? (7).
  10. 22. Tyke with a first-class return in court (5).
  11. 23. Paul on a ship, see! (4).
  12. 25. Uncle Arthur holds the manifest (5).
  13. 27. Jonathan had no more money than this (5).
  14. 28. Makes sure that shapes are about five in a hundred (9).
  15. 30. Many a battle to stem the coal-dust (4).
Down
  1. 2. Shift? That's good policy (9).
  2. 3. Excellent bear has a mild disorder (9).
  3. 5. Care about a party? It's a bore! (7).
  4. 9. Prophet on the Ack-Ack site (9).
  5. 10. Jack, chuck out that bird (8).
  6. 11. Big blow - put on a helmet (5).
  7. 12. Fencing offensives (7).
  8. 13. Will territorial soldiers enter the river? (9).
  9. 15. Man of honour takes viva voce to join this society (6).
  10. 16. Almost ruined perhaps? Get accounted to this (5).
  11. 17. The easy way, via 23 (7).
  12. 18. Also on the inside in the 11 Ac (6).
  13. 19. Sharpens up for return athletic contests (6).
  14. 24. Makes fun of finale in panto cat's turn (5,2).
  15. 26. Lady Hamilton after oney? What a proposition! (5).
  16. 29. Shot a thrilling scene (5).