This crossword No. 10510 clues and answers were published on Tue 13 Jan 2004 and the puzzle can be visited by following The Guardian Quick Crossword No. 10510 link.
All Across Clues and Answers:
1-across – Pale flame or phosphorescence – elusive thing : WILLOTHEWISP
9-across – Bet : WAGER
10-across – Artistic work of lasting excellence : CLASSIC
11-across – Way out : EXIT
12-across – Asian disease caused by a dietary deficiency : BERIBERI
14-across – Native American dwelling : WIGWAM
15-across – German POW camp in WWII : STALAG
18-across – Person allowed to sell drink : LICENSEE
20-across – Jug : EWER
22-across – Person who drinks : IMBIBER
23-across – Stated opinion : VOICE
24-across – Yellowish root used as cattle food : MANGELWURZEL
All Down Clues and Answers:
2-down – Entering : INGOING
3-down – Early bird : LARK
4-down – Heart – watch? : TICKER
5-down – Waste away : EMACIATE
6-down – Subject to discuss : ISSUE
7-down – Hierarchy : PECKINGORDER
8-down – Flowering plant – Prince at sixteen? : SWEETWILLIAM
13-down – Within reach – a Belgian : GAINABLE
16-down – Member : LOWLIFE
17-down – Middle Eastern language : HEBREW
19-down – Small hut : CABIN
21-down – Declare : AVER
This crossword has in total 24 where 12 are across and 12 are down.