Prefabricated Copper Houses, 1931-1932: Building type K2: plans

Black crayon on paper

Blue and yellow crayon on paper

Graphite on paper

Graphite and colored pencil on paper

Black crayon on paper

Colored crayons on paper

Black crayon on paper

Black crayon on paper

Colored marker on paper

Blue marker on paper

Black and red marker on paper

Colored pencil on cream wove paper