Note 42 — LECTURE XIV. The Transition.
Reading edition
This seems to be missing one step. The exact parallel is between a barrel vault with semicircular apse and a barrel vault with polygonal apse. (G. G. S. 1878.)
Reading edition
This seems to be missing one step. The exact parallel is between a barrel vault with semicircular apse and a barrel vault with polygonal apse. (G. G. S. 1878.)