1: Tinkers jump in children's world (3,4)

5: Silver inside for each calling device (5)

7: Former name for joint audition (3)

8: Poor man's right to make powerless (9)

9: Right, turn right to play with robot (3)

10: Wise men get introduction to conjuring tricks (5)

12: Have sheriff's helpers joined Nazi police (7)

1: Perfect counter-spy equipment (3)

2: Difficult newspaper or novel (4,5)

3: Piano finale not determined (7)

4: Good Republican source of life-giving system for short-handed office workers (5)

6: Candy, Rod, Gump all confused (7)

8: Wooded hillock forming part of Arthur's territory (5)

11: Mediterranean leaves unfashionable coins? (3)