This crossword No. 11523 clues and answers were published on Fri 13 Apr 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11523 link.
All Across Clues and Answers:
1-across – Treatment of illness or injury using massage, exercise etc : PHYSIOTHERAPY
8-across – Opaque watercolour paint : GOUACHE
9-across – Beguile : CHARM
10-across – Exhale audibly as expression of regret, relief etc : SIGH
11-across – Item used in aquatic sport : WATERSKI
13-across – Rope with running loop at one end : LARIAT
14-across – Give new appearance to : REVAMP
17-across – Indiscriminate slaughter : MASSACRE
19-across – One making knot – level : TIER
21-across – Associated with the past : RETRO
22-across – Sack for carrying letters : MAILBAG
24-across – Depend on precarious conditions : HANGBYATHREAD
All Down Clues and Answers:
1-down – Clothes pin : PEG
2-down – Not as old : YOUNGER
3-down – Tickling sensation of skin : ITCH
4-down – Tip of shoe : TOECAP
5-down – Abstained from : ESCHEWED
6-down – Accumulate : AMASS
7-down – Jewish holiday, also called Day of Atonement : YOMKIPPUR
10-down – Land sodden with sea water : SALTMARSH
12-down – Underground burial place : CATACOMB
15-down – Friendly : AMIABLE
16-down – Area of Ukraine : CRIMEA
18-down – Old Nick : SATAN
20-down – Desire : WISH
23-down – Deity : GOD
This crossword has in total 26 where 12 are across and 14 are down.