Untitled (bleed-through of previous page and color transfer, left page); Untitled (notes and measurements for light sculptures and positioning of perforations, right page)

Graphite on off-white wove paper

Watercolor

Black crayon on cream tracing paper

Graphite on paper

Gouache

Watercolor on paper

Black, brown and yellow crayon ; black and blue crayon on paper

Graphite on heavy white Bristol board

Black crayon on paper

Red chalk and white chalk on blue antique laid paper

Graphite and black and white chalk on gray-brown wove paper

Metalpoint on white prepared paper