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

Graphite on paper

Colored marker and black pen on paper

Black crayon on paper

Black and metallic marker on paper

Graphite on paper

Black marker on paper

Charcoal on paper

Graphite, charcoal, and chalk on paper

Colored marker on paper

Charcoal on paper

Black crayon on paper and mounted

Colored marker on paper