Which is NOT used in making stained glass windows?
a. an iron armature
b. clear glass
c. pigments
d. metallic oxides
e. tesserae
Question 2
In a Gothic cathedral, a bay consists of
a. an arch and a triforium.
b. the space between two piers.
c. clerestory windows and a section of the nave arcade.
d. the space in the crossing.
