Across
8
Common addition to a Martini (5)
13
Where an aircraft may be kept (6)
17
Character introducing e.g. the left-hand part of a piano score (4,4)
19
In metallurgy, treats with heat (7)
21
Muscle important in respiration (9)
Down
1
German piano manufacturer (8)
3
Move slowly – imperial measure (4)
4
Potion conferring immortality (6,2,4)
6
Stay-at-home dad, perhaps (5,7)
12
Swedish physicist, d. 1874 – Mrs Tonga (anag.) (8)
15
Feeling of sickness (6)
18
St Matthew Passion composer (4)