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

Watercolor and stamp ink on paper

Graphite and watercolor on paper

Black marker on paper

Black and blue crayon and graphite on paper

Graphite and black crayon on paper

Graphite on paper

Gray crayon on cream wove paper

Black crayon on paper

Graphite on off-white wove paper

Black ink on paper

Black ink on tan wove paper

Graphite on paper