This crossword No. 10594 clues and answers were published on Tue 20 Apr 2004 and the puzzle can be visited by following The Guardian Quick Crossword No. 10594 link.
All Across Clues and Answers:
1-across – Fasten – run away : BOLT
3-across – User of machine etc : OPERATOR
8-across – Heavy defeat : ROUT
9-across – Source of absinthe : WORMWOOD
11-across – William Wallace : BRAVEHEART
14-across – Friendly : CHUMMY
15-across – Detective story writer : AGATHA
17-across – Abstract : INTANGIBLE
20-across – See 15 : CHRISTIE
21-across – Bear – contemptuous expression : POOH
22-across – Not extreme : MODERATE
23-across – Measure of speed at sea : KNOT
All Down Clues and Answers:
1-down – Without a saddle : BAREBACK
2-down – Formerly respectable drug : LAUDANUM
4-down – The Nobody of the Diary : POOTER
5-down – Raise further money on house : REMORTGAGE
6-down – Move like a horse : TROT
7-down – Impolite : RUDE
10-down – Seen Morris : SERMONISER
12-down – Pig-headed : STUBBORN
13-down – Wear for Christmas dinner : PAPERHAT
16-down – Devotee once of the little red book : MAOIST
18-down – Confidence trick : SCAM
19-down – Dry : ARID
This crossword has in total 24 where 12 are across and 12 are down.