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

Black and colored crayons on paper

Graphite on paper

Black crayon and black ink on paper

Blue marker and black pen on paper

Ink on paper

Black and red marker on paper

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker and blue pen on paper

Graphite and colored crayons on cream wove paper

Black marker on paper