A was 120 cm in diameter, surrounded by a 40 cm wall. Overhead
A was 120 cm in diameter, surrounded by a 40 cm wall. Overhead incandescent light supplied illumination of about 700 lx inside the arena. A cylindrical (5 10H cm) object…
A was 120 cm in diameter, surrounded by a 40 cm wall. Overhead incandescent light supplied illumination of about 700 lx inside the arena. A cylindrical (5 10H cm) object…