Untitled (adhered notes and design for mining lamp sculpture, left page); Untitled (adhered photocopy of sketch of "Davy-Lampe," right page)

Colored marker on translucent film and paper

Black marker on paper

Graphite on paper

Colored marker and white opaque watercolor on paper

Graphite and colored crayon on off-white wove paper

Ink on vellum

Graphite on paper

Black crayon on paper

Colored marker on paper

Black and aqua marker on paper

Colored marker on paper

Black crayon on paper