carbon lettering
Carbon in powdered form. used in lieu of gold leaf
or other metal or foil for lettering books.
particularly when the covering material is canvas,
or a similar fabric. The pallet and type are
heated as for gold blocking, but the type is
coated with carbon and then pressed firmly into
the covering material. ART VELLUM is also a
suitable material for carbon lettering. In very
humid climates, this type of lettering may require
several days to dry sufficiently for the books to
be handled. At times, carbon ink is used in lieu
of carbon. (358 )