June 2001
Page 83

Finding a North-South Line

W.S. Maddux describes precise techniques for accurately establishing a true north-south line, essential for sundial installation. He outlines two methods using a plumb line and its shadow: one for general alignment and another for achieving high precision, detailing practical steps for observing and marking the meridian.
Dialling Tools, Sundial Design & Layout

W.S. Maddux