Groined Vault With Zigzag Ridge-Joints, As A Double Barrel Vault, Cross Vault, At Right Angles Of Two Barrel Vaults, The Edge Between The Intersecting Vaults, Vintage Line Drawing Or Engraving Illustration. Royalty
Figuring out groin vaults - Fine Homebuilding
Barrel Vault | Construction & Architecture - Video & Lesson Transcript | Study.com