Prefabricated Copper Houses, 1931-1932: Building type K1: basement and ground floor plans

Graphite on paper

Colored and metallic marker on paper

Graphite on paper

Graphite and blue crayon on paper

Ink on paper

Graphite on paper

Colored marker on paper

Colored and black crayons on paper

Black crayon on paper

Colored marker on paper

Colored marker, paper, and adhesive on paper

Charcoal on paper