Prefabricated Copper Houses, 1931-1932: Building types S, S1: window details, 1:10

Ink on vellum

Graphite on paper

Colored marker on paper

Black ink on translucent vellum paper

Black crayon on paper

Graphite on paper

Graphite on paper

Black marker on paper

Collage of cut yellow-brown wove paper on blue wove paper

Graphite on paper

Brown and green crayon on paper

Graphite on paper