RE: On northern vs. southern dials

[The Shaws]

Surely the answer is the North (South) pole, where all sunlight falls on the South (North) facing wall, as you cannot build a North (South) facing one.

 

Mike Shaw

http://homepage.ntlworld.com/jmikeshaw/

N 53º 21' 24"
W 03º 01' 47"
Wirral, UK.