1		Means of indicating wind velocity used by mariners and meteorologists (8,5)
8		Muslim phsyician or ruler (5)
11		Said to be the oldest city in Greece (5)
12		Houses the England/France rail link (7,6)
13		Temporary name, during 20th C., of St Petersburg (9)
14		US boxer, first to hold the world heavyweight championship twice (9)
15		Manned space-craft designed for re- use (7)
17		Currency of the European Union (5)
19		Giant or dwarf in Scandinavian folklore (5)
21		Cereals etc. grown for sale, not for consumption by the producer (4,5)
23		King of Macedonia from 336BC, conqueror of the Persian empire (9)
24		Jet engine in which the propellor is driven by a turbine (9)
27		Christian festival giving its name to an island in the Indian Ocean (9)
29		US singer, Paul, whose 1990 No.1 album had a saintly rhythm! (5)
30		Famous 17thC English diarist (5)
31		Musical sign cancelling a sharp or flat (7)
34		Comically exaggerated imitation e.g. of a literary work (9)
36		Italian film director of Blow Up and Zabriskie Point (9)
38		Scientist dealing with diseases and functions of women (13)
39		George, German-born US Expressionist painter/illustrator (5)
40		British motor-racing team, 1978 Grand Prix winner (5)
41		First person to walk on the moon (4,9)

1		One of the most universally acclaimed pop groups of 20th C. (7)
2		Greek heroes who helped steal the Golden Fleece (9)
3		Culminating yacht race in the Admiral's Cup (7)
4		Bicycle, car etc. built for speed contests (5)
5		Scottish golfing mecca (2,7)
6		A mountain/mountain range in Nepal (9)
7		Port in Israel and it's only outlet to the Red Sea (5)
8		Fort near mid-point of Hadrian's Wall (anag. 'dashes out S.E.') (11)
9		Fashionable shopping area in London's West End (5,4)
10		Italian city, a centre of the fashion trade (5)
16		Activity done to increase one's sense of self-importance (3,4)
18		Induct into office etc. by administering an oath (5,2)
20		HQ of the MCC and cricket test- match ground (5)
21		Equatorial constellation named after Greek sea monster (5)
22		Regalia of the UK monarchy (5,6)
25		Dutch 17th C. old master, painted 'The Night Watch' (9)
26		Hard, spicy Italian sausage (9)
27		San Jose is the capital of this Central American republic (5,4)
28		13th C. Venetian traveller and writer about Far East (5,4)
32		West Side Story song or a David Bowie No.1 album (7)
33		German industrial city, Wagner's birthplace (7)
34		Jewish ring-shaped roll (5)
35		Type of mushroom that's a meat alternative (5)
37		e.g. N. American Indian symbolic carving (5)