Untitled (Torsion Study 19)

Graphite on off-white wove paper

Charcoal and black chalk on off-white wove paper; verso: charcoal

Watercolor and graphite on white wove paper

Pastel over traces of charcoal on gray wove paper

Graphite and ink on paper

Paper dots numbered in black ink and mounted on blue/white graph wove paper

Charcoal on beige laid paper

Black ink on dark blue wove paper

Black wash on tan wove paper

Incised line and Aquarelle on white wove paper

Ink on paper

Watercolor over graphite on off-white wove paper