This crossword No. 11511 clues and answers were published on Fri 30 Mar 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11511 link.
All Across Clues and Answers:
1-across – Object blocking passage : BARRIER
8-across – South American republic : ECUADOR
9-across – Shortfall : DEFICIT
10-across – Not recognised : UNKNOWN
11-across – Repetitive drone – end of weaver’s thread : THRUM
13-across – Party’s publicly declared aims : MANIFESTO
15-across – Subject to systematic indoctrination : BRAINWASH
18-across – Provide : ENDOW
21-across – Medicine counteracting gastric juices : ANTACID
22-across – Vertical : UPRIGHT
23-across – Wandering : NOMADIC
24-across – Way by canal : TOWPATH
All Down Clues and Answers:
1-down – Bathroom fitting : BIDET
2-down – Turn to : REFER
3-down – In solitary confinement : INCOMMUNICADO
4-down – Come back : RETURN
5-down – Result of complete chance : LUCKOFTHEDRAW
6-down – Hateful : ODIOUS
7-down – At once! : PRONTO
12-down – : HOUR
14-down – Threesome : TRIO
15-down – Muscular : BRAWNY
16-down – Breathing disorder : ASTHMA
17-down – Kidnap : ABDUCT
19-down – Tenet : DOGMA
20-down – Observe – timepiece : WATCH
This crossword has in total 26 where 12 are across and 14 are down.