This crossword No. 12948 clues and answers were published on Wed 09 Nov 2011 and the puzzle can be visited by following The Guardian Quick Crossword No. 12948 link.
All Across Clues and Answers:
1-across – Instrument for measuring radioactivity : GEIGERCOUNTER
8-across – Ribbed fabric : REP
9-across – Large land mass — exercising self-restraint : CONTINENT
10-across – Good-natured : AMICABLE
11-across – Scottish hillside : BRAE
13-across – Thick soup : POTAGE
14-across – Temple : PELMET
16-across – Bunch of hair, feathers, grass etc : TUFT
17-across – Intrepid : FEARLESS
20-across – Rime : HOARFROST
21-across – Play on words : PUN
22-across – Protected area for plants and animals : NATURERESERVE
All Down Clues and Answers:
1-down – Irish policeman : GARDA
2-down – Actually : INPOINTOFFACT
3-down – Switch : EXCHANGE
4-down – Light source : CANDLE
5-down – Computer operating system : UNIX
6-down – Death personified : THEGRIMREAPER
7-down – Back away : RETREAT
12-down – Rubbish — it rusted : DETRITUS
13-down – Eat heartily — help with some task — contribute money : PITCHIN
15-down – Swallow greedily : DEVOUR
18-down – Irish poet and playwright, d. 1909 : SYNGE
19-down – At a great distance : AFAR
This crossword has in total 24 where 12 are across and 12 are down.