This crossword No. 9150 clues and answers were published on Mon 30 Aug 1999 and the puzzle can be visited by following The Guardian Quick Crossword No. 9150 link.
All Across Clues and Answers:
1-across – Grossly ugly object : MONSTROSITY
9-across – Old song : LINDENLEA
10-across – Express disapproval of : BOO
11-across – Lorry – wagon : TRUCK
13-across – Infinite : ENDLESS
14-across – Requests for drinks etc : ORDERS
15-across – Obliquely : ASLANT
18-across – Informed directly or inferentially : GIVENTO
20-across – : UNDER
21-across – ditto : LED
22-across – : TOBELIEVE
24-across – Prepared to take risks : ADVENTUROUS
All Down Clues and Answers:
2-down – Admit : OWN
3-down – Parliamentary authority : SPEAKER
4-down – Cylinder for flattening : ROLLER
5-down – See 18 : STAND
6-down – Plateau : TABLELAND
7-down – Rich fabric : CLOTHOFGOLD
8-down – Christmas dinner? : ROASTTURKEY
12-down – Whole : UNDIVIDED
16-down – Filth : SQUALOR
17-down – Tolkien’s character : HOBBIT
19-down – Saltpetre : NITRE
23-down – Flightless bird : EMU
This crossword has in total 24 where 12 are across and 12 are down.