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

Black marker, black pen, and graphite on sheets of paper and adhesive on paper

Black crayon on gray modern laid paper

Black marker on paper

Graphite on paper

Black crayon on paper

Black crayon on paper

Graphite on paper

Colored marker and black pen on paper

Ink on paper

Graphite on paper

Graphite and green crayon on paper

Black crayon on paper