This crossword No. 435 clues and answers were published on Sun 18 Jan 2004 and the puzzle can be visited by following The Guardian Speedy Crossword No. 435 link.
All Across Clues and Answers:
1-across – Time when one’s at one’s peak : FLOWEROFYOUTH
8-across – Button : STUD
9-across – Without mortar in building : DRYSTONE
10-across – Great abundance : CORNUCOPIA
12-across – Small piece of land : PARCEL
14-across – System of measurement : METRIC
15-across – Electronic megaphone : LOUDHAILER
19-across – One who mimics satirically : PARODIST
20-across – Touch upon : ABUT
21-across – Of unyielding manner : STIFFASAPOKER
All Down Clues and Answers:
2-down – Coastal area : LITTORAL
3-down – Dilate : WIDEN
4-down – Deep-seated : RADICAL
5-down – English-style cooked breakfast : FRYUP
6-down – Pariah : OUTCAST
7-down – Storage chamber : TANK
11-down – Improve, making small adjustments : FINETUNE
13-down – Cancel : CALLOFF
14-down – Brahman sage : MAHATMA
16-down – Punic city : UTICA
17-down – Mature insect : IMAGO
18-down – Projectile : DART
This crossword has in total 22 where 10 are across and 12 are down.