This crossword No. 639 clues and answers were published on Sun 16 Dec 2007 and the puzzle can be visited by following The Guardian Speedy Crossword No. 639 link.
All Across Clues and Answers:
1-across – Appropriate or desirable thing : JUSTTHETICKET
8-across – Louis ——-, inventor of an aid to the blind : BRAILLE
9-across – Leader of the Apostles : PETER
10-across – Furnace fuel : COKE
11-across – Transports : DELIGHTS
13-across – Reverse winding or twisting : UNROLL
14-across – : LEGATO
17-across – Get a move on : CHOPCHOP
19-across – Battery fluid : ACID
21-across – Melee : BRAWL
22-across – 3-D image : DIORAMA
24-across – Falling apart : GOINGTOPIECES
All Down Clues and Answers:
1-down – Injection : JAB
2-down – Person who shirks work or duty : SLACKER
3-down – After-bath powder : TALC
4-down – Shoe hole for lacing : EYELET
5-down – Made worse or less effective : IMPAIRED
6-down – Sailing vessel with two masts : KETCH
7-down – Lower limit : THRESHOLD
10-down – Woman’s strapless fashion accessory : CLUTCHBAG
12-down – Strikebreaker : BLACKLEG
15-down – Primitive : ARCHAIC
16-down – Jinx : HOODOO
18-down – Giraffe-like animal with stripes : OKAPI
20-down – Mongolian expanse : GOBI
23-down – Nincompoop : ASS
This crossword has in total 26 where 12 are across and 14 are down.