Roger Bacon and the Brazen Head

From Icy Sedgwick: Roger Bacon and the Brazen Head.

William of Malmesbury (c. 1095 — c. 1143) in “History of the English Kings” claims that the first brazen head was made in the 10th century by Gerbert of Aurillac (Pope Sylvester II). Gerbert had learned astrology from the Saracens (in Spain). He used that knowledge to build a brazen head that could answer yes/no questions…