This crossword No. 9717 clues and answers were published on Mon 25 Jun 2001 and the puzzle can be visited by following The Guardian Quick Crossword No. 9717 link.
All Across Clues and Answers:
5-across – Mercury – volatile : QUICKSILVER
7-across – Found – station – contemptible : BASE
8-across – Fatherly : PATERNAL
9-across – Large vessel – cooking vessel : STEAMER
11-across – Merit – value : WORTH
13-across – Urge forward – push : IMPEL
14-across – Coin-operated record player : JUKEBOX
16-across – Adroit – expert : DEXTROUS
17-across – Timber – trade : DEAL
18-across – Indecent erotica : PORNOGRAPHY
All Down Clues and Answers:
1-down – Capital – punishment : FINE
2-down – Captain – butterfly – fish : SKIPPER
3-down – Breadth : WIDTH
4-down – All : EVERYONE
5-down – Sudden significant advance – breakthrough : QUANTUMLEAP
6-down – Ultra-conservative : REACTIONARY
10-down – Opening : APERTURE
12-down – Baby’s room – plant centre : NURSERY
15-down – Automaton : ROBOT
17-down – Drug – information : DOPE
This crossword has in total 20 where 10 are across and 10 are down.