Sundial - Wikipedia
How to Read a Sundial: 11 Steps (with Pictures) - wikiHow
Sundial Design Tools - DT Online
The Sundial Primer - Vertical Declining Sundial
The Sundial Primer - Analemmatic Sundial
Sundial calculations
Horizontal Sundial Shadow Angle Calculator
Sundial Design Tools - DT Online
The Sundial Primer - Vertical Direct South Sundial
Make your own Sundial
Sundials for Walls Not Facing South - How to Get the Lines Straight : 11 Steps - Instructables
Sundial:Do it yourself
sundial design home
The Sundial Primer - Vertical Direct South Sundial
The mathematics of sundials - Document - Gale Academic OneFile
Υπολογισμοί - Calculations: How to make a sundial
DIY Wall Sundial | Helios Sundials
Hila Sundial Calculator
PDF) The mathematics of sundials
ShadowsPro - sundial and astrolabes
Horizontal Sundial Shadow Angle Calculator | Sundial, Sundials, Angle calculator
Sundial Mathematics
Exploring Sundials - DT Online
