Note 8 — Chapter I · What Is Gothic Architecture?[3]
Reading edition
The barrel vault (a half cylinder) was known to the Egyptians and Assyrians. Rome used it extensively, also the groin vault (made of two intersecting half cylinders).
Reading edition
The barrel vault (a half cylinder) was known to the Egyptians and Assyrians. Rome used it extensively, also the groin vault (made of two intersecting half cylinders).