1: Company strongly recommend: after first scolding, apply the whip! (7)
2: Taking a turn with a maiden over jewellery (7)
3: True gem discovered within landscape feature (3-4)
4: Fit so much in French drink (7)
5: One-time philosophical teaching turned him to classics (13)
6: Plunges about in State's evidence (5)
7: On the way with tureen, tripping over a section of orange (2,5)
9: Defusing timer incorrectly can lead to this! (13)
14: Daughter staring after gym teacher (7)
15: Play has 10 miniature scenes (7)
16: Stranger is using and supplying (7)
17: In Indonesia, returning from the western part a must (7)
18: Beetles, for example, being produced by modern factions (7)
19: Squaddies took in lecture (5)