This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Chainage.choeur.cathedrale.Paris. La grande corniche damiers qui couronne le chur de la cathdrale de Paris et qui dut tre pose vers se compose de trois assises de pierre dure formant parpaing dont les morceaux sont tous runis ensemble par deux rangs de crampons ainsi que l'indique la fig Technology ViolletleDuc ViolletleDuc