John L. Carmichael Jr. Sundial Sculptures 925 E. Foothills Dr. Tucson AZTel: , Email: , Website: sundialsculptures.com Nodi Shadow Experiment Purpose: To determine which types
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Document Date: 2006-12-26 23:36:52

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• Clocks
• Horology
• Sundial
• Celestial mechanics
• The Shadows
• Shadow
• Astronomical unit
• Cardinal direction
• Sun
• Astronomy