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

Black crayon on paper

Black pen and metallic marker on paper

Black crayon on cream wove paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Black marker on paper

Colored crayon on paper

Graphite with yellow and blue crayon on paper

Graphite on cream wove paper

Graphite on paper

Black crayon on paper