Universal Polar sundial - the sundial which can travel with you all your lifet
Sundial Design Tools - DT Online
This large cylindrical polar sundial was conceived and crafted by Kate Pond. Bill Gottesman was the gnomonic designer. The two… | Sundial, Sundials, Wall sculptures
The Sundial Primer - Polar Sundial
Set of different sundials | Sundials, Sundial, Drawing set
Sundial - Wikipedia
File:Polar Stone Sundial by Carmichael.jpg - Wikimedia Commons