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

Graphite on paper

Ink with colored washes on paper

Black ink, charcoal, and colored pencil on cream laid paper

Graphite on paper

Graphite on paper

Black crayon on paper

Colored marker on paper

Black marker on paper

Black and red marker on paper

Colored marker on paper

Graphite on tan wove paper

Graphite on cream wove paper