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

Colored marker on paper

Black crayon on paper

Black and aqua marker on paper

Graphite with blue crayon on paper

Graphite on paper

Colored marker on paper

Blue marker on paper

Paper

Black crayon on paper

Colored marker on paper

Graphite with black and gray crayon on paper

Graphite on paper