The Sundial Primer - Vertical Direct South Sundial
Sundial Design Tools - DT Online
How to Read a Sundial: 11 Steps (with Pictures) - wikiHow
Horizontal Sundial Shadow Angle Calculator
Sundials for Walls Not Facing South - How to Get the Lines Straight : 11 Steps - Instructables
Sundial Mathematics
The Sundial Primer - Vertical Declining Sundial
Sundial:Do it yourself
Sundial - Wikipedia
Hila Sundial Calculator
DIY Wall Sundial | Helios Sundials
Sundial Design Tools - DT Online
Exploring Sundials - DT Online
Sundial calculations
Horizontal Sundial Shadow Angle Calculator | Sundial, Sundials, Wooden gear clock
Sundial Mathematics
Create a Sundial - QUT
A Sundial for 45 degrees latitude
sundial design home
sundial design home
Sundial - Wikipedia
PDF) The mathematics of sundials
