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

photomechanical print with yellow wash on cream wove paper, mounted overall to gray board

Photomechanical print in orange and black inks on white paper

Photomechanical print with red pencil on paper

Photomechanical print with wash on paper

Photomechanical print in red and black inks on paper