Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China
Gary Lee Todd, Ph.D.:
Yuan Observatory Introduction
Gary Lee Todd, Ph.D.:
Yuan Observatory Introduction
Gary Lee Todd, Ph.D.:
Yuan Observatory Map
Gary Lee Todd, Ph.D.:
Yuan Observatory Walled Screen
Gary Lee Todd, Ph.D.:
Yuan Observatory Walled Screen
Gary Lee Todd, Ph.D.:
Yuan Observatory Entrance
Gary Lee Todd, Ph.D.:
Ming Inscription
Gary Lee Todd, Ph.D.:
Tablet with Ming Inscription
Gary Lee Todd, Ph.D.:
Platform of Shadow Measuring by Master Zhou
Gary Lee Todd, Ph.D.:
Tang Copy of Ancient Platform for Measuring Shadows
Gary Lee Todd, Ph.D.:
Tang Copy of Ancient Platform for Measuring Shadows
Gary Lee Todd, Ph.D.:
Poem Inscription by Liu Shiwei, Qianlong Era
Gary Lee Todd, Ph.D.:
Poem Inscription by Liu Shiwei, Qianlong Era
Gary Lee Todd, Ph.D.:
Poem Inscription by Liu Shiwei, Qianlong Era
Gary Lee Todd, Ph.D.:
Poem Inscription by Liu Shiwei, Qianlong Era
Gary Lee Todd, Ph.D.:
Ancestral Temple of Master Zhou
Gary Lee Todd, Ph.D.:
Ancestral Temple of Master Zhou
Gary Lee Todd, Ph.D.:
Model of Ancient Float Clock
Gary Lee Todd, Ph.D.:
Model of Ancient Float Clock
Gary Lee Todd, Ph.D.:
Yuan Observatory Ancient Well
Gary Lee Todd, Ph.D.:
Yuan Observatory Ancient Well
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China
Gary Lee Todd, Ph.D.:
Yuan Observatory
Gary Lee Todd, Ph.D.:
Destruction by Japanese Bombardment
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China - Destruction by Japanese Bombardment
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China - Destruction by Japanese Bombardment
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China - Destruction by Japanese Bombardment
Gary Lee Todd, Ph.D.:
1276 AD Yuan Dynasty Gaocheng Astronomical Observatory, Dengfeng, China - Destruction by Japanese Bombardment
