Untitled (blank, left page); Untitled (adhered photocopy of sketch of "Davy-Lampe," right page)

Colored marker on paper

Graphite on paper

Graphite on tracing paper

Graphite on paper

Colored marker on paper

Ink, colored wash, and typewritten text on paper

Black ink and marker, and opaque watercolor on paper

Colored marker and black pen on paper

Black, red, and blue marker on paper

Black marker on paper

Graphite on paper

Black and red marker on paper