ter S, 210 feet inwinding length, 74 feet high,35 feet in width at the baseand narrowing rapidly to-ward the top. The inner-most end of this grotto isnearly circular, and therear wall slopes forward asit rises preserving in revolu-tion the same contour thatcharacterizes the two sidesthroughout… … FiG. 11. Plan and Elevation, with SectionalIndication, of Ear of Dionysius, Syracuse,Sicily. cal opening four or five feet square, scarcely visible, certainly notnoticeable, from below. This opening is into a short passageway
Architectural acoustics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
