A traditional metalpoint ground recipe calls for a mixture of:

A. bone ash.
B. glue.
C. white pigment.
D. water.
E. All of the answers are correct.

E
Traditional metalpoint ground recipes call for a mixture of bone ash, glue, and white pigment in water. When the point of the metalpoint wire is drawn across this dried ground, it leaves behind a thin trail of metal particles that soon tarnish to a pale gray.