Untitled (bleed-through of previous page, left page); Untitled (measurements for "water cube" perforations, right page)

Graphite on paper

Red chalk with touches of black chalk on tan antique laid paper

Brown ink on off-white laid paper

Graphite on paper

Gouache on wove paper

Colored marker on paper

Brown ink over graphite erasures on off-white wove paper

Graphite on paper

Graphite and ink on paper

Black crayon on paper

graphite and brown wash on cream modern laid paper, laid down to blue antique laid paper

Green crayon on paper