This crossword No. 22120 clues and answers were published on Wed 31 Jan 2001 and the puzzle can be visited by following The Guardian Cryptic Crossword No. 22120 link.
All Across Clues and Answers:
1-across – Hold up the picnic basket : HAMPER
4-across – Aim to put charged particle on circuit : AMBITION
9-across – Down under in Wales : NEATH
10-across – Developing tendril, for example, is tightly curled : RINGLETED
11-across – He takes the stand to get a fair deal, they say : CABDRIVER
12-across – Scrub article written in Gaelic : ERASE
13-across – All choked up? : FULLTHROTTLE
17-across – Power changed Rene into a strong supporter : STRENGTHENER
20-across – Beast is all right and sounds happy : OKAPI
21-across – Monumental barrage put up by Mother with vacuum cleaner in front : HOOVERDAM
23-across – A long way down to get an acceptable drink : AGOODDROP
24-across – Room at the Top showing in Athens : ATTIC
25-across – Collector equipped with buzzer : HONEYBEE
26-across – Dicky admits being in the thick of it : AMIDST
All Down Clues and Answers:
1-down – Restraint shown by worker on strike : HANDCUFF
2-down – Food for team replacement at dinner-dance : MEATBALL
3-down – Number three is confused : ETHER
5-down – Young person has it at orgy – upset higher faction : MINORITYGROUP
6-down – In part, time will heal the affliction : ILLHEALTH
7-down – Damaged train at railway terminal where immediate action is required : INTRAY
8-down – Odd inclusion in study set-up – agreed? : NODDED
10-down – Let the other guy pay back the fee : REVERSECHARGE
14-down – Until now a mite shady, possibly, about one : TOTHISDAY
15-down – Not rephrased, tune died out : UNIDITED
16-down – Fussy, cute sort gets the best of the meat : PRIMECUT
18-down – Top-up has modified a chemical compound : POTASH
19-down – A red desert? : MAROON
22-down – Get ready for battle – Marne, maybe : ENARM
This crossword has in total 28 where 14 are across and 14 are down.