Untitled (bleed-through of previous page, left page); Untitled (design for light work ["Foucault" pendulum], right page)

Brown ink and traces of black chalk on off-white antique laid paper

Off-white card

Black chalk and pink and white opaque watercolor on brown wove paper

Black chalk, black ink, gray and brown wash on oatmeal antique laid paper, framing lines in brown ink

Brown ink, brown wash, and graphite on cream wove paper

Watercolor over graphite on cream antique laid paper

Pastel and graphite on blue laid paper

Graphite on paper

Red chalk on off-white antique laid paper, framing line in red chalk and framing line in brown ink

Graphite on paper

Graphite on cream laid paper

Charcoal on cream laid paper