Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress, guard rail: diagram (1/4" = 1'-0")

Graphite on off-white wove paper

Charcoal on Japanese mulberry paper, mounted to beige cardboard

Graphite on off-white wove paper

Ink and brown pencil on white wove paper

Pastel and black chalk on layered off-white wove paper

Graphite on cream wove paper

Black felt-tipped pen on yellowed newsprint paper

Graphite on off-white wove paper

Watercolor and graphite on paper

Graphite on paper

Graphite on off-white wove paper

Pastel on off-white wove paper