Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress, hanging metal sections, case behind mirror: plan, sections, elevation (1/2" , 3" = 1'-0" )

Black and colored crayon on off-white wove paper

Crayon on paper

Black ink on off-white wove paper

Brown ink, blue wash over graphite on white wove paper

Charcoal on off-white laid paper

Black ink on off-white wove paper

Black ink on cream wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on thin off-white wove paper