Prefabricated Copper Houses, 1931-1932: Building types S and S1: section, 1:20

Colored marker on paper

Black and red marker on paper

Graphite on paper

Graphite on paper

Ink on paper

Black crayon on brown wove paper

Charcoal on paper

Charcoal on paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on off-white wove paper