Prefabricated Copper Houses, 1931-1932: Building type R: section, 1:20

Photomechanical print with graphite and red pencil on paper

Photomechanical print with wash on paper

Photomechanical print with wash on paper

Photomechanical print in red and black inks on white paper

Photomechanical print in red and black inks on white paper

Photomechanical print with colored ink, wash, and applied type on paper