Prefabricated Copper Houses, 1931-1932: Division of wall elements with wall connectors: plan, 1:20

Typewritten text on paper

Photomechanical print in red and black inks on white paper

Photomechanical print in black ink on white paper

Photomechanical print with colored pencil on paper

Photomechanical print in red and gold inks on white paper

Photomechanical print in orange ink on cream paper