This crossword No. 779 clues and answers were published on Sun 22 Aug 2010 and the puzzle can be visited by following The Guardian Speedy Crossword No. 779 link.
All Across Clues and Answers:
1-across – Be indecisive : DITHER
4-across – People who guide ships going into or out of a harbour : PILOTS
8-across – Governor in India during the Mogul empire : NABOB
9-across – Enthusiast : AMATEUR
10-across – Adorn with gems : BEJEWEL
11-across – Simulacrum : IMAGE
12-across – Become mad or furious : GOBANANAS
17-across – Concentration of attention or energy : FOCUS
19-across – Regardless of, in defiance of : DESPITE
21-across – Malevolent look : EVILEYE
22-across – Spokes : RADII
23-across – Cheque signatory : DRAWER
24-across – Thoroughfare : STREET
All Down Clues and Answers:
1-down – River flowing from the Black Forest to the Black Sea : DANUBE
2-down – Drinking mug in the shape of a stout man wearing a tricorn : TOBYJUG
3-down – Sharp bend in a road or river : ELBOW
5-down – Works of Verdi and Puccini, for example : ITALIAN
6-down – See 5 : OPERA
7-down – Versed : SERVED
9-down – Very nervous : ALLONEDGE
13-down – Encircle as a military tactic : BESIEGE
14-down – Stick or pin used to twist yarn in spinning : SPINDLE
15-down – Act in disregard of the law : OFFEND
16-down – Give a description of : DEPICT
18-down – High quality porcelain : CHINA
20-down – Small herring-type fish : SPRAT
This crossword has in total 26 where 13 are across and 13 are down.