Across
1
Ceremonial splendour; peak, prime (4)
9
Nickname for British military police (7)
10
Gold braid; any of various irises (5)
11
In very good health (3,2,1,6)
13
Engrossed; hellbent (6)
15
Machine for generating electric currents (6)
17
Earliest form of modern human in Europe (3-6,3)
20
Eighth letter of the Greek alphabet (5)
21
Type of clue about a ragman? (7)
23
Anaesthetize: amaze (4)
Down
1
Crude petroluem used for candles; kerosine in UK (8)
5
Continuously: without a strategic plan (4,3,2,3)
6
Largest anthropoid ape (7)
8
Wherewithal; capability (4,3,5)
12
Last of the three names of an ancient Roman indicating his house or family (8)
14
Sink; fish (navy slang) (7)
16
Arboreal lizard of the Americas (6)
19
Formal accessory: variety of poker (4)