Possible Clues:

• It comes halfway between two Miller works
• Line between the southern and northern hemispheres
• Hesitation about ridiculous quota with zero latitude
• Peer briefly takes to writing with a line that goes all the way around the world
• Imagined circle of servicemen accompanying Queen during lunch, say
• Nonsense served up supporting almost adequate notional line
• It passes through 13 countries
• Zero latitude line
• Central belt in East Torquay almost entirely renovated
• Circle dividing a sphere