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

Watercolor and brown ink over graphite on off-white wove paper

Black ink and gray wash on cream laid paper, mounted to brown wove paper

Graphite on paper

Graphite and gesso on paper

Graphite on cream wove paper

Charcoal on off-white laid paper

Crayon on paper

Black ink on off-white wove paper

Graphite on paper

Black ink, graphite, and marker on graph paper

Watercolor on cream wove paper