Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress, propeller: elevation and section (1/4" = 1'-0" )

Black ink and graphite on cream wove paper

Watercolor

Graphite on off-white wove paper; verso: charcoal

White paint (spray-applied) and black ink on off-white wove paper

Crayon on paper

Oil, graphite and turpentine on off-white wove paper, mounted to painted board

Watercolor on off-white wove paper mounted to buff wove

Graphite on cream wove paper

Graphite on off-white wove paper

Watercolor and graphite on layered off-white wove paper

Gouache and black ink on cream cardstock

Mixed media on paper