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

Graphite on paper

Charcoal and black chalk on off-white modern laid paper

Black and metallic marker on paper

Blue and black marker on paper

Colored marker on paper

Graphite on paper

Black and red marker on paper

Black marker on paper

Graphite on off-white wove paper, mounted to cream wove paper

Pen and ink on paper

Brown ink on cream paper; verso: black ink

Dark blue crayon on paper