Note 18 — Chapter II · THE TYRANNY OF THE FOURTEENTH CENTURY.
S. G. C. (Samuel George Chetwynd) Middlemore translation
This we find first in the fifteenth century, but their representations are certainly based on the beliefs of earlier times: L. B. Alberti, De re ædif., v. 3.—Franc. di Giorgio, ‘Trattato,’ in Della Valle, Lettere Sanesi, iii. 121.