This crossword No. 9402 clues and answers were published on Tue 20 Jun 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9402 link.
All Across Clues and Answers:
1-across – Toy firearm : WATERPISTOL
9-across – Serum neutralising poisons : ANTITOXIN
10-across – Beverage : TEA
11-across – Anaesthetic : ETHER
13-across – Building : EDIFICE
14-across – Corporeal : BODILY
15-across – Feverish : HECTIC
18-across – One betraying one’s country : TRAITOR
20-across – Donkey : BURRO
21-across – Ship’s record : LOG
22-across – Of Japan : NIPPONESE
24-across – Painting : WATERCOLOUR
All Down Clues and Answers:
2-down – Fitting – inclined : APT
3-down – Hold spellbound : ENTHRAL
4-down – Fairies : PIXIES
5-down – Mountainous peninsula in Egypt : SINAI
6-down – Clothier : OUTFITTER
7-down – Flask used by travellers : WATERBOTTLE
8-down – Sanitary convenience : WATERCLOSET
12-down – Ornamental flowering shrub – handy gear : HYDRANGEA
16-down – Bring into confusion : EMBROIL
17-down – Cancer or Capricorn : TROPIC
19-down – Slight colour : TINGE
23-down – Flightless bird : EMU
This crossword has in total 24 where 12 are across and 12 are down.