This crossword No. 10102 clues and answers were published on Thu 19 Sep 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10102 link.
All Across Clues and Answers:
1-across – Patrick Moore’s instrument : XYLOPHONE
8-across – Stamp in passport : VISA
9-across – Harry Potter game : QUIDDITCH
10-across – Deride – mock : JEER
13-across – To which one aspires : IDEAL
15-across – World cultural and educational organisation : UNESCO
16-across – Deliverance from siege : RELIEF
17-across – Psychiatrist : SHRINK
19-across – One or the other : EITHER
20-across – Very large : GIANT
21-across – A seaweed : ALGA
24-across – Middle-class : BOURGEOIS
25-across – Layer of paint : COAT
26-across – Rotation not leading to forward movement : WHEELSPIN
All Down Clues and Answers:
2-down – Belonging to the second person : YOUR
3-down – Starting price : ODDS
4-down – Styling of the locks : HAIRDO
5-down – Drink of the gods : NECTAR
6-down – Glow from hearth : FIRELIGHT
7-down – Cattle are kept for milk here : DAIRYFARM
11-down – Carrying out : PURSUANCE
12-down – Four-letter word : TETRAGRAM
13-down – Concreted sugar : ICING
14-down – Run away – above board : LEGIT
18-down – Rubbish – nonsense : KIBOSH
19-down – Served after the fish and before the main course : ENTREE
22-down – Divine son of Cronos and Rhea : ZEUS
23-down – Small : MINI
This crossword has in total 28 where 14 are across and 14 are down.