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

Black marker on paper

Graphite on paper

Black and aqua crayon on paper

Blue crayon on paper

Graphite with blue crayon on paper

Ink and applied typescript on paper

Graphite on paper

Black crayon on off-white wove paper mounted to cream wove paper

Graphite on paper

Black and blue crayon on paper

Black crayon on paper

Alkyd and modified oil paint on machine-made laid paper