12)We tend to do it when we leave home? (6) 14)Shows the temperature as it goes round (7) 17)In a creative mood, I can see inside the shell (5) 19)Victoria was fond of this chain (6) 38)Looks as though the loner had no friend (4) 42)Let thy teams run round 'till they're blueish (8) 45)Citrus rock (9) 43)Schools used it, but it's also a 'topper' (5)