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

Graphite on paper

Graphite on paper

Crayon on paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Graphite on coated off-white wove paper

Charcoal on off-white laid paper

Black chalk on buff wove paper

Crayon on paper

Watercolor and white gouache on cream wove paper

Charcoal on paper

Tempera on purple construction paper